128031540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 447068160

約数和(自身を除く): 319036620

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, 131, 140, 156, 179, 182, 195, 210, 260, 262, 273, 358, 364, 390, 393, 420, 455, 524, 537, 546, 655, 716, 780, 786, 895, 910, 917, 1074, 1092, 1253, 1310, 1365, 1572, 1703, 1790, 1820, 1834, 1965, 2148, 2327, 2506, 2620, 2685, 2730, 2751, 3406, 3580, 3668, 3759, 3930, 4585, 4654, 5012, 5109, 5370, 5460, 5502, 6265, 6812, 6981, 7518, 7860, 8515, 9170, 9308, 10218, 10740, 11004, 11635, 11921, 12530, 13755, 13962, 15036, 16289, 17030, 18340, 18795, 20436, 23270, 23449, 23842, 25060, 25545, 27510, 27924, 32578, 34060, 34905, 35763, 37590, 46540, 46898, 47684, 48867, 51090, 55020, 59605, 65156, 69810, 70347, 71526, 75180, 81445, 93796, 97734, 102180, 117245, 119210, 139620, 140694, 143052, 162890, 164143, 178815, 195468, 234490, 238420, 244335, 281388, 304837, 325780, 328286, 351735, 357630, 468980, 488670, 492429, 609674, 656572, 703470, 715260, 820715, 914511, 977340, 984858, 1219348, 1406940, 1524185, 1641430, 1829022, 1969716, 2133859, 2462145, 3048370, 3282860, 3658044, 4267718, 4572555, 4924290, 6096740, 6401577, 8535436, 9145110, 9848580, 10669295, 12803154, 18290220, 21338590, 25606308, 32007885, 42677180, 64015770, 128031540]

約数ペア:

[(1, 128031540), (2, 64015770), (3, 42677180), (4, 32007885), (5, 25606308), (6, 21338590), (7, 18290220), (10, 12803154), (12, 10669295), (13, 9848580), (14, 9145110), (15, 8535436), (20, 6401577), (21, 6096740), (26, 4924290), (28, 4572555), (30, 4267718), (35, 3658044), (39, 3282860), (42, 3048370), (52, 2462145), (60, 2133859), (65, 1969716), (70, 1829022), (78, 1641430), (84, 1524185), (91, 1406940), (105, 1219348), (130, 984858), (131, 977340), (140, 914511), (156, 820715), (179, 715260), (182, 703470), (195, 656572), (210, 609674), (260, 492429), (262, 488670), (273, 468980), (358, 357630), (364, 351735), (390, 328286), (393, 325780), (420, 304837), (455, 281388), (524, 244335), (537, 238420), (546, 234490), (655, 195468), (716, 178815), (780, 164143), (786, 162890), (895, 143052), (910, 140694), (917, 139620), (1074, 119210), (1092, 117245), (1253, 102180), (1310, 97734), (1365, 93796), (1572, 81445), (1703, 75180), (1790, 71526), (1820, 70347), (1834, 69810), (1965, 65156), (2148, 59605), (2327, 55020), (2506, 51090), (2620, 48867), (2685, 47684), (2730, 46898), (2751, 46540), (3406, 37590), (3580, 35763), (3668, 34905), (3759, 34060), (3930, 32578), (4585, 27924), (4654, 27510), (5012, 25545), (5109, 25060), (5370, 23842), (5460, 23449), (5502, 23270), (6265, 20436), (6812, 18795), (6981, 18340), (7518, 17030), (7860, 16289), (8515, 15036), (9170, 13962), (9308, 13755), (10218, 12530), (10740, 11921), (11004, 11635)]