686204220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 2243082240

約数和(自身を除く): 1556878020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 37, 39, 52, 59, 60, 62, 65, 74, 78, 93, 111, 118, 124, 130, 148, 155, 156, 169, 177, 185, 186, 195, 222, 236, 260, 295, 310, 338, 354, 370, 372, 390, 403, 444, 465, 481, 507, 555, 590, 620, 676, 708, 740, 767, 780, 806, 845, 885, 930, 962, 1014, 1110, 1147, 1180, 1209, 1443, 1534, 1612, 1690, 1770, 1829, 1860, 1924, 2015, 2028, 2183, 2220, 2294, 2301, 2405, 2418, 2535, 2886, 3068, 3380, 3441, 3540, 3658, 3835, 4030, 4366, 4588, 4602, 4810, 4836, 5070, 5239, 5487, 5735, 5772, 6045, 6253, 6549, 6882, 7215, 7316, 7670, 8060, 8732, 9145, 9204, 9620, 9971, 10140, 10478, 10915, 10974, 11470, 11505, 12090, 12506, 13098, 13764, 14430, 14911, 15340, 15717, 17205, 18290, 18759, 19942, 20956, 21830, 21948, 22940, 23010, 23777, 24180, 25012, 26195, 26196, 27435, 28379, 28860, 29822, 29913, 31265, 31434, 32745, 34410, 36580, 37518, 39884, 43660, 44733, 46020, 47554, 49855, 52390, 54870, 56758, 59644, 59826, 62530, 62868, 65490, 67673, 68820, 71331, 74555, 75036, 78585, 85137, 89466, 93795, 95108, 99710, 104780, 109740, 113516, 118885, 119652, 125060, 130980, 135346, 141895, 142662, 149110, 149565, 157170, 170274, 178932, 187590, 193843, 199420, 203019, 223665, 237770, 270692, 283790, 285324, 298220, 299130, 309101, 314340, 338365, 340548, 356655, 368927, 375180, 387686, 406038, 425685, 447330, 475540, 567580, 581529, 598260, 618202, 676730, 713310, 737854, 775372, 812076, 851370, 879749, 894660, 927303, 969215, 1015095, 1106781, 1163058, 1236404, 1353460, 1426620, 1475708, 1545505, 1702740, 1759498, 1844635, 1854606, 1938430, 2030190, 2213562, 2326116, 2639247, 2907645, 3091010, 3518996, 3689270, 3709212, 3876860, 4060380, 4398745, 4427124, 4636515, 5278494, 5533905, 5815290, 6182020, 7378540, 8797490, 9273030, 10556988, 11067810, 11436737, 11630580, 13196235, 17594980, 18546060, 22135620, 22873474, 26392470, 34310211, 45746948, 52784940, 57183685, 68620422, 114367370, 137240844, 171551055, 228734740, 343102110, 686204220]

約数ペア:

[(1, 686204220), (2, 343102110), (3, 228734740), (4, 171551055), (5, 137240844), (6, 114367370), (10, 68620422), (12, 57183685), (13, 52784940), (15, 45746948), (20, 34310211), (26, 26392470), (30, 22873474), (31, 22135620), (37, 18546060), (39, 17594980), (52, 13196235), (59, 11630580), (60, 11436737), (62, 11067810), (65, 10556988), (74, 9273030), (78, 8797490), (93, 7378540), (111, 6182020), (118, 5815290), (124, 5533905), (130, 5278494), (148, 4636515), (155, 4427124), (156, 4398745), (169, 4060380), (177, 3876860), (185, 3709212), (186, 3689270), (195, 3518996), (222, 3091010), (236, 2907645), (260, 2639247), (295, 2326116), (310, 2213562), (338, 2030190), (354, 1938430), (370, 1854606), (372, 1844635), (390, 1759498), (403, 1702740), (444, 1545505), (465, 1475708), (481, 1426620), (507, 1353460), (555, 1236404), (590, 1163058), (620, 1106781), (676, 1015095), (708, 969215), (740, 927303), (767, 894660), (780, 879749), (806, 851370), (845, 812076), (885, 775372), (930, 737854), (962, 713310), (1014, 676730), (1110, 618202), (1147, 598260), (1180, 581529), (1209, 567580), (1443, 475540), (1534, 447330), (1612, 425685), (1690, 406038), (1770, 387686), (1829, 375180), (1860, 368927), (1924, 356655), (2015, 340548), (2028, 338365), (2183, 314340), (2220, 309101), (2294, 299130), (2301, 298220), (2405, 285324), (2418, 283790), (2535, 270692), (2886, 237770), (3068, 223665), (3380, 203019), (3441, 199420), (3540, 193843), (3658, 187590), (3835, 178932), (4030, 170274), (4366, 157170), (4588, 149565), (4602, 149110), (4810, 142662), (4836, 141895), (5070, 135346), (5239, 130980), (5487, 125060), (5735, 119652), (5772, 118885), (6045, 113516), (6253, 109740), (6549, 104780), (6882, 99710), (7215, 95108), (7316, 93795), (7670, 89466), (8060, 85137), (8732, 78585), (9145, 75036), (9204, 74555), (9620, 71331), (9971, 68820), (10140, 67673), (10478, 65490), (10915, 62868), (10974, 62530), (11470, 59826), (11505, 59644), (12090, 56758), (12506, 54870), (13098, 52390), (13764, 49855), (14430, 47554), (14911, 46020), (15340, 44733), (15717, 43660), (17205, 39884), (18290, 37518), (18759, 36580), (19942, 34410), (20956, 32745), (21830, 31434), (21948, 31265), (22940, 29913), (23010, 29822), (23777, 28860), (24180, 28379), (25012, 27435), (26195, 26196)]