71380530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^2$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 212186520

約数和(自身を除く): 140805990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 169, 171, 190, 195, 234, 247, 285, 338, 342, 361, 390, 494, 507, 570, 585, 722, 741, 845, 855, 1014, 1083, 1170, 1235, 1482, 1521, 1690, 1710, 1805, 2166, 2197, 2223, 2470, 2535, 3042, 3211, 3249, 3610, 3705, 4394, 4446, 4693, 5070, 5415, 6422, 6498, 6591, 7410, 7605, 9386, 9633, 10830, 10985, 11115, 13182, 14079, 15210, 16055, 16245, 19266, 19773, 21970, 22230, 23465, 28158, 28899, 32110, 32490, 32955, 39546, 41743, 42237, 46930, 48165, 57798, 61009, 65910, 70395, 83486, 84474, 96330, 98865, 122018, 125229, 140790, 144495, 183027, 197730, 208715, 211185, 250458, 288990, 305045, 366054, 375687, 417430, 422370, 549081, 610090, 626145, 751374, 793117, 915135, 1098162, 1252290, 1586234, 1830270, 1878435, 2379351, 2745405, 3756870, 3965585, 4758702, 5490810, 7138053, 7931170, 11896755, 14276106, 23793510, 35690265, 71380530]

約数ペア:

[(1, 71380530), (2, 35690265), (3, 23793510), (5, 14276106), (6, 11896755), (9, 7931170), (10, 7138053), (13, 5490810), (15, 4758702), (18, 3965585), (19, 3756870), (26, 2745405), (30, 2379351), (38, 1878435), (39, 1830270), (45, 1586234), (57, 1252290), (65, 1098162), (78, 915135), (90, 793117), (95, 751374), (114, 626145), (117, 610090), (130, 549081), (169, 422370), (171, 417430), (190, 375687), (195, 366054), (234, 305045), (247, 288990), (285, 250458), (338, 211185), (342, 208715), (361, 197730), (390, 183027), (494, 144495), (507, 140790), (570, 125229), (585, 122018), (722, 98865), (741, 96330), (845, 84474), (855, 83486), (1014, 70395), (1083, 65910), (1170, 61009), (1235, 57798), (1482, 48165), (1521, 46930), (1690, 42237), (1710, 41743), (1805, 39546), (2166, 32955), (2197, 32490), (2223, 32110), (2470, 28899), (2535, 28158), (3042, 23465), (3211, 22230), (3249, 21970), (3610, 19773), (3705, 19266), (4394, 16245), (4446, 16055), (4693, 15210), (5070, 14079), (5415, 13182), (6422, 11115), (6498, 10985), (6591, 10830), (7410, 9633), (7605, 9386)]