81182010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 242694144

約数和(自身を除く): 161512134

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 131, 182, 195, 210, 227, 262, 273, 390, 393, 454, 455, 546, 655, 681, 786, 910, 917, 1135, 1310, 1362, 1365, 1589, 1703, 1834, 1965, 2270, 2730, 2751, 2951, 3178, 3405, 3406, 3930, 4585, 4767, 5109, 5502, 5902, 6810, 7945, 8515, 8853, 9170, 9534, 10218, 11921, 13755, 14755, 15890, 17030, 17706, 20657, 23835, 23842, 25545, 27510, 29510, 29737, 35763, 41314, 44265, 47670, 51090, 59474, 59605, 61971, 71526, 88530, 89211, 103285, 119210, 123942, 148685, 178422, 178815, 206570, 208159, 297370, 309855, 357630, 386581, 416318, 446055, 619710, 624477, 773162, 892110, 1040795, 1159743, 1248954, 1932905, 2081590, 2319486, 2706067, 3122385, 3865810, 5412134, 5798715, 6244770, 8118201, 11597430, 13530335, 16236402, 27060670, 40591005, 81182010]

約数ペア:

[(1, 81182010), (2, 40591005), (3, 27060670), (5, 16236402), (6, 13530335), (7, 11597430), (10, 8118201), (13, 6244770), (14, 5798715), (15, 5412134), (21, 3865810), (26, 3122385), (30, 2706067), (35, 2319486), (39, 2081590), (42, 1932905), (65, 1248954), (70, 1159743), (78, 1040795), (91, 892110), (105, 773162), (130, 624477), (131, 619710), (182, 446055), (195, 416318), (210, 386581), (227, 357630), (262, 309855), (273, 297370), (390, 208159), (393, 206570), (454, 178815), (455, 178422), (546, 148685), (655, 123942), (681, 119210), (786, 103285), (910, 89211), (917, 88530), (1135, 71526), (1310, 61971), (1362, 59605), (1365, 59474), (1589, 51090), (1703, 47670), (1834, 44265), (1965, 41314), (2270, 35763), (2730, 29737), (2751, 29510), (2951, 27510), (3178, 25545), (3405, 23842), (3406, 23835), (3930, 20657), (4585, 17706), (4767, 17030), (5109, 15890), (5502, 14755), (5902, 13755), (6810, 11921), (7945, 10218), (8515, 9534), (8853, 9170)]