257854320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 320

約数和(自身を含む): 959462400

約数和(自身を除く): 701608080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 61, 72, 76, 80, 90, 95, 103, 108, 114, 120, 122, 135, 144, 152, 171, 180, 183, 190, 206, 216, 228, 240, 244, 270, 285, 304, 305, 309, 342, 360, 366, 380, 412, 432, 456, 488, 513, 515, 540, 549, 570, 610, 618, 684, 720, 732, 760, 824, 855, 912, 915, 927, 976, 1026, 1030, 1080, 1098, 1140, 1159, 1220, 1236, 1368, 1464, 1520, 1545, 1647, 1648, 1710, 1830, 1854, 1957, 2052, 2060, 2160, 2196, 2280, 2318, 2440, 2472, 2565, 2736, 2745, 2781, 2928, 3090, 3294, 3420, 3477, 3660, 3708, 3914, 4104, 4120, 4392, 4560, 4635, 4636, 4880, 4944, 5130, 5490, 5562, 5795, 5871, 6180, 6283, 6588, 6840, 6954, 7320, 7416, 7828, 8208, 8235, 8240, 8784, 9270, 9272, 9785, 10260, 10431, 10980, 11124, 11590, 11742, 12360, 12566, 13176, 13680, 13905, 13908, 14640, 14832, 15656, 16470, 17385, 17613, 18540, 18544, 18849, 19570, 20520, 20862, 21960, 22248, 23180, 23484, 24720, 25132, 26352, 27810, 27816, 29355, 31293, 31312, 31415, 32940, 34770, 35226, 37080, 37698, 39140, 41040, 41724, 43920, 44496, 46360, 46968, 50264, 52155, 52839, 55620, 55632, 56547, 58710, 62586, 62830, 65880, 69540, 70452, 74160, 75396, 78280, 83448, 88065, 92720, 93936, 94245, 100528, 104310, 105678, 111240, 113094, 117420, 119377, 125172, 125660, 131760, 139080, 140904, 150792, 156465, 156560, 166896, 169641, 176130, 188490, 208620, 211356, 222480, 226188, 234840, 238754, 250344, 251320, 264195, 278160, 281808, 282735, 301584, 312930, 339282, 352260, 358131, 376980, 417240, 422712, 452376, 469680, 477508, 500688, 502640, 528390, 565470, 596885, 625860, 678564, 704520, 716262, 753960, 834480, 845424, 848205, 904752, 955016, 1056780, 1074393, 1130940, 1193770, 1251720, 1357128, 1409040, 1432524, 1507920, 1696410, 1790655, 1910032, 2113560, 2148786, 2261880, 2387540, 2503440, 2714256, 2865048, 3223179, 3392820, 3581310, 4227120, 4297572, 4523760, 4775080, 5371965, 5730096, 6446358, 6785640, 7162620, 8595144, 9550160, 10743930, 12892716, 13571280, 14325240, 16115895, 17190288, 21487860, 25785432, 28650480, 32231790, 42975720, 51570864, 64463580, 85951440, 128927160, 257854320]

約数ペア:

[(1, 257854320), (2, 128927160), (3, 85951440), (4, 64463580), (5, 51570864), (6, 42975720), (8, 32231790), (9, 28650480), (10, 25785432), (12, 21487860), (15, 17190288), (16, 16115895), (18, 14325240), (19, 13571280), (20, 12892716), (24, 10743930), (27, 9550160), (30, 8595144), (36, 7162620), (38, 6785640), (40, 6446358), (45, 5730096), (48, 5371965), (54, 4775080), (57, 4523760), (60, 4297572), (61, 4227120), (72, 3581310), (76, 3392820), (80, 3223179), (90, 2865048), (95, 2714256), (103, 2503440), (108, 2387540), (114, 2261880), (120, 2148786), (122, 2113560), (135, 1910032), (144, 1790655), (152, 1696410), (171, 1507920), (180, 1432524), (183, 1409040), (190, 1357128), (206, 1251720), (216, 1193770), (228, 1130940), (240, 1074393), (244, 1056780), (270, 955016), (285, 904752), (304, 848205), (305, 845424), (309, 834480), (342, 753960), (360, 716262), (366, 704520), (380, 678564), (412, 625860), (432, 596885), (456, 565470), (488, 528390), (513, 502640), (515, 500688), (540, 477508), (549, 469680), (570, 452376), (610, 422712), (618, 417240), (684, 376980), (720, 358131), (732, 352260), (760, 339282), (824, 312930), (855, 301584), (912, 282735), (915, 281808), (927, 278160), (976, 264195), (1026, 251320), (1030, 250344), (1080, 238754), (1098, 234840), (1140, 226188), (1159, 222480), (1220, 211356), (1236, 208620), (1368, 188490), (1464, 176130), (1520, 169641), (1545, 166896), (1647, 156560), (1648, 156465), (1710, 150792), (1830, 140904), (1854, 139080), (1957, 131760), (2052, 125660), (2060, 125172), (2160, 119377), (2196, 117420), (2280, 113094), (2318, 111240), (2440, 105678), (2472, 104310), (2565, 100528), (2736, 94245), (2745, 93936), (2781, 92720), (2928, 88065), (3090, 83448), (3294, 78280), (3420, 75396), (3477, 74160), (3660, 70452), (3708, 69540), (3914, 65880), (4104, 62830), (4120, 62586), (4392, 58710), (4560, 56547), (4635, 55632), (4636, 55620), (4880, 52839), (4944, 52155), (5130, 50264), (5490, 46968), (5562, 46360), (5795, 44496), (5871, 43920), (6180, 41724), (6283, 41040), (6588, 39140), (6840, 37698), (6954, 37080), (7320, 35226), (7416, 34770), (7828, 32940), (8208, 31415), (8235, 31312), (8240, 31293), (8784, 29355), (9270, 27816), (9272, 27810), (9785, 26352), (10260, 25132), (10431, 24720), (10980, 23484), (11124, 23180), (11590, 22248), (11742, 21960), (12360, 20862), (12566, 20520), (13176, 19570), (13680, 18849), (13905, 18544), (13908, 18540), (14640, 17613), (14832, 17385), (15656, 16470)]