21020200080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{677}}^1$

素因数の和:1342

約数の個数: 320

約数和(自身を含む): 75059481600

約数和(自身を除く): 54039281520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 619, 627, 660, 677, 760, 836, 880, 912, 1045, 1140, 1238, 1254, 1320, 1354, 1520, 1672, 1857, 2031, 2090, 2280, 2476, 2508, 2640, 2708, 3095, 3135, 3344, 3385, 3714, 4062, 4180, 4560, 4952, 5016, 5416, 6190, 6270, 6770, 6809, 7428, 7447, 8124, 8360, 9285, 9904, 10032, 10155, 10832, 11761, 12380, 12540, 12863, 13540, 13618, 14856, 14894, 16248, 16720, 18570, 20310, 20427, 22341, 23522, 24760, 25080, 25726, 27080, 27236, 29712, 29788, 32496, 34045, 35283, 37140, 37235, 38589, 40620, 40854, 44682, 47044, 49520, 50160, 51452, 54160, 54472, 58805, 59576, 64315, 68090, 70566, 74280, 74470, 77178, 81240, 81708, 89364, 94088, 102135, 102904, 108944, 111705, 117610, 119152, 128630, 129371, 136180, 141132, 141493, 148560, 148940, 154356, 162480, 163416, 176415, 178728, 188176, 192945, 204270, 205808, 223410, 235220, 257260, 258742, 272360, 282264, 282986, 297880, 308712, 326832, 352830, 357456, 385890, 388113, 408540, 419063, 424479, 446820, 470440, 514520, 517484, 544720, 564528, 565972, 595760, 617424, 646855, 705660, 707465, 771780, 776226, 817080, 838126, 848958, 893640, 940880, 1029040, 1034968, 1131944, 1257189, 1293710, 1411320, 1414930, 1543560, 1552452, 1634160, 1676252, 1697916, 1787280, 1940565, 2069936, 2095315, 2122395, 2263888, 2514378, 2587420, 2822640, 2829860, 3087120, 3104904, 3352504, 3395832, 3881130, 4190630, 4244790, 4609693, 5028756, 5174840, 5659720, 6209808, 6285945, 6705008, 6791664, 7762260, 7962197, 8381260, 8489580, 9219386, 10057512, 10349680, 11319440, 12571890, 13829079, 15524520, 15924394, 16762520, 16979160, 18438772, 20115024, 23048465, 23886591, 25143780, 27658158, 31049040, 31848788, 33525040, 33958320, 36877544, 39810985, 46096930, 47773182, 50287560, 55316316, 63697576, 69145395, 73755088, 79621970, 87584167, 92193860, 95546364, 100575120, 110632632, 119432955, 127395152, 138290790, 159243940, 175168334, 184387720, 191092728, 221265264, 238865910, 262752501, 276581580, 318487880, 350336668, 368775440, 382185456, 437920835, 477731820, 525505002, 553163160, 636975760, 700673336, 875841670, 955463640, 1051010004, 1106326320, 1313762505, 1401346672, 1751683340, 1910927280, 2102020008, 2627525010, 3503366680, 4204040016, 5255050020, 7006733360, 10510100040, 21020200080]

約数ペア:

[(1, 21020200080), (2, 10510100040), (3, 7006733360), (4, 5255050020), (5, 4204040016), (6, 3503366680), (8, 2627525010), (10, 2102020008), (11, 1910927280), (12, 1751683340), (15, 1401346672), (16, 1313762505), (19, 1106326320), (20, 1051010004), (22, 955463640), (24, 875841670), (30, 700673336), (33, 636975760), (38, 553163160), (40, 525505002), (44, 477731820), (48, 437920835), (55, 382185456), (57, 368775440), (60, 350336668), (66, 318487880), (76, 276581580), (80, 262752501), (88, 238865910), (95, 221265264), (110, 191092728), (114, 184387720), (120, 175168334), (132, 159243940), (152, 138290790), (165, 127395152), (176, 119432955), (190, 110632632), (209, 100575120), (220, 95546364), (228, 92193860), (240, 87584167), (264, 79621970), (285, 73755088), (304, 69145395), (330, 63697576), (380, 55316316), (418, 50287560), (440, 47773182), (456, 46096930), (528, 39810985), (570, 36877544), (619, 33958320), (627, 33525040), (660, 31848788), (677, 31049040), (760, 27658158), (836, 25143780), (880, 23886591), (912, 23048465), (1045, 20115024), (1140, 18438772), (1238, 16979160), (1254, 16762520), (1320, 15924394), (1354, 15524520), (1520, 13829079), (1672, 12571890), (1857, 11319440), (2031, 10349680), (2090, 10057512), (2280, 9219386), (2476, 8489580), (2508, 8381260), (2640, 7962197), (2708, 7762260), (3095, 6791664), (3135, 6705008), (3344, 6285945), (3385, 6209808), (3714, 5659720), (4062, 5174840), (4180, 5028756), (4560, 4609693), (4952, 4244790), (5016, 4190630), (5416, 3881130), (6190, 3395832), (6270, 3352504), (6770, 3104904), (6809, 3087120), (7428, 2829860), (7447, 2822640), (8124, 2587420), (8360, 2514378), (9285, 2263888), (9904, 2122395), (10032, 2095315), (10155, 2069936), (10832, 1940565), (11761, 1787280), (12380, 1697916), (12540, 1676252), (12863, 1634160), (13540, 1552452), (13618, 1543560), (14856, 1414930), (14894, 1411320), (16248, 1293710), (16720, 1257189), (18570, 1131944), (20310, 1034968), (20427, 1029040), (22341, 940880), (23522, 893640), (24760, 848958), (25080, 838126), (25726, 817080), (27080, 776226), (27236, 771780), (29712, 707465), (29788, 705660), (32496, 646855), (34045, 617424), (35283, 595760), (37140, 565972), (37235, 564528), (38589, 544720), (40620, 517484), (40854, 514520), (44682, 470440), (47044, 446820), (49520, 424479), (50160, 419063), (51452, 408540), (54160, 388113), (54472, 385890), (58805, 357456), (59576, 352830), (64315, 326832), (68090, 308712), (70566, 297880), (74280, 282986), (74470, 282264), (77178, 272360), (81240, 258742), (81708, 257260), (89364, 235220), (94088, 223410), (102135, 205808), (102904, 204270), (108944, 192945), (111705, 188176), (117610, 178728), (119152, 176415), (128630, 163416), (129371, 162480), (136180, 154356), (141132, 148940), (141493, 148560)]