12705420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 44271360

約数和(自身を除く): 31565940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 179, 182, 195, 210, 260, 273, 338, 358, 364, 390, 420, 455, 507, 537, 546, 676, 716, 780, 845, 895, 910, 1014, 1074, 1092, 1183, 1253, 1365, 1690, 1790, 1820, 2028, 2148, 2327, 2366, 2506, 2535, 2685, 2730, 3380, 3549, 3580, 3759, 4654, 4732, 5012, 5070, 5370, 5460, 5915, 6265, 6981, 7098, 7518, 9308, 10140, 10740, 11635, 11830, 12530, 13962, 14196, 15036, 16289, 17745, 18795, 23270, 23660, 25060, 27924, 30251, 32578, 34905, 35490, 37590, 46540, 48867, 60502, 65156, 69810, 70980, 75180, 81445, 90753, 97734, 121004, 139620, 151255, 162890, 181506, 195468, 211757, 244335, 302510, 325780, 363012, 423514, 453765, 488670, 605020, 635271, 847028, 907530, 977340, 1058785, 1270542, 1815060, 2117570, 2541084, 3176355, 4235140, 6352710, 12705420]

約数ペア:

[(1, 12705420), (2, 6352710), (3, 4235140), (4, 3176355), (5, 2541084), (6, 2117570), (7, 1815060), (10, 1270542), (12, 1058785), (13, 977340), (14, 907530), (15, 847028), (20, 635271), (21, 605020), (26, 488670), (28, 453765), (30, 423514), (35, 363012), (39, 325780), (42, 302510), (52, 244335), (60, 211757), (65, 195468), (70, 181506), (78, 162890), (84, 151255), (91, 139620), (105, 121004), (130, 97734), (140, 90753), (156, 81445), (169, 75180), (179, 70980), (182, 69810), (195, 65156), (210, 60502), (260, 48867), (273, 46540), (338, 37590), (358, 35490), (364, 34905), (390, 32578), (420, 30251), (455, 27924), (507, 25060), (537, 23660), (546, 23270), (676, 18795), (716, 17745), (780, 16289), (845, 15036), (895, 14196), (910, 13962), (1014, 12530), (1074, 11830), (1092, 11635), (1183, 10740), (1253, 10140), (1365, 9308), (1690, 7518), (1790, 7098), (1820, 6981), (2028, 6265), (2148, 5915), (2327, 5460), (2366, 5370), (2506, 5070), (2535, 5012), (2685, 4732), (2730, 4654), (3380, 3759), (3549, 3580)]