251301960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2597

約数の個数: 256

約数和(自身を含む): 1031385600

約数和(自身を除く): 780083640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2557, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5114, 5460, 6552, 7020, 7560, 7671, 8190, 9828, 10228, 10920, 12285, 12785, 14040, 15342, 16380, 17899, 19656, 20456, 23013, 24570, 25570, 30684, 32760, 33241, 35798, 38355, 46026, 49140, 51140, 53697, 61368, 66482, 69039, 71596, 76710, 89495, 92052, 98280, 99723, 102280, 107394, 115065, 132964, 138078, 143192, 153420, 161091, 166205, 178990, 184104, 199446, 214788, 230130, 232687, 265928, 268485, 276156, 299169, 306840, 322182, 332410, 345195, 357980, 398892, 429576, 460260, 465374, 483273, 498615, 536970, 552312, 598338, 644364, 664820, 690390, 698061, 715960, 797784, 805455, 897507, 920520, 930748, 966546, 997230, 1073940, 1163435, 1196676, 1288728, 1329640, 1380780, 1396122, 1495845, 1610910, 1795014, 1861496, 1933092, 1994460, 2094183, 2147880, 2326870, 2393352, 2416365, 2761560, 2792244, 2991690, 3221820, 3490305, 3590028, 3866184, 3988920, 4188366, 4487535, 4653740, 4832730, 5584488, 5983380, 6282549, 6443640, 6980610, 7180056, 8376732, 8975070, 9307480, 9665460, 10470915, 11966760, 12565098, 13961220, 16753464, 17950140, 19330920, 20941830, 25130196, 27922440, 31412745, 35900280, 41883660, 50260392, 62825490, 83767320, 125650980, 251301960]

約数ペア:

[(1, 251301960), (2, 125650980), (3, 83767320), (4, 62825490), (5, 50260392), (6, 41883660), (7, 35900280), (8, 31412745), (9, 27922440), (10, 25130196), (12, 20941830), (13, 19330920), (14, 17950140), (15, 16753464), (18, 13961220), (20, 12565098), (21, 11966760), (24, 10470915), (26, 9665460), (27, 9307480), (28, 8975070), (30, 8376732), (35, 7180056), (36, 6980610), (39, 6443640), (40, 6282549), (42, 5983380), (45, 5584488), (52, 4832730), (54, 4653740), (56, 4487535), (60, 4188366), (63, 3988920), (65, 3866184), (70, 3590028), (72, 3490305), (78, 3221820), (84, 2991690), (90, 2792244), (91, 2761560), (104, 2416365), (105, 2393352), (108, 2326870), (117, 2147880), (120, 2094183), (126, 1994460), (130, 1933092), (135, 1861496), (140, 1795014), (156, 1610910), (168, 1495845), (180, 1396122), (182, 1380780), (189, 1329640), (195, 1288728), (210, 1196676), (216, 1163435), (234, 1073940), (252, 997230), (260, 966546), (270, 930748), (273, 920520), (280, 897507), (312, 805455), (315, 797784), (351, 715960), (360, 698061), (364, 690390), (378, 664820), (390, 644364), (420, 598338), (455, 552312), (468, 536970), (504, 498615), (520, 483273), (540, 465374), (546, 460260), (585, 429576), (630, 398892), (702, 357980), (728, 345195), (756, 332410), (780, 322182), (819, 306840), (840, 299169), (910, 276156), (936, 268485), (945, 265928), (1080, 232687), (1092, 230130), (1170, 214788), (1260, 199446), (1365, 184104), (1404, 178990), (1512, 166205), (1560, 161091), (1638, 153420), (1755, 143192), (1820, 138078), (1890, 132964), (2184, 115065), (2340, 107394), (2457, 102280), (2520, 99723), (2557, 98280), (2730, 92052), (2808, 89495), (3276, 76710), (3510, 71596), (3640, 69039), (3780, 66482), (4095, 61368), (4680, 53697), (4914, 51140), (5114, 49140), (5460, 46026), (6552, 38355), (7020, 35798), (7560, 33241), (7671, 32760), (8190, 30684), (9828, 25570), (10228, 24570), (10920, 23013), (12285, 20456), (12785, 19656), (14040, 17899), (15342, 16380)]