31076680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 77293440

約数和(自身を除く): 46216760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 1987, 3128, 3910, 3974, 7820, 7948, 9935, 15640, 15896, 19870, 33779, 39740, 45701, 67558, 79480, 91402, 135116, 168895, 182804, 228505, 270232, 337790, 365608, 457010, 675580, 776917, 914020, 1351160, 1553834, 1828040, 3107668, 3884585, 6215336, 7769170, 15538340, 31076680]

約数ペア:

[(1, 31076680), (2, 15538340), (4, 7769170), (5, 6215336), (8, 3884585), (10, 3107668), (17, 1828040), (20, 1553834), (23, 1351160), (34, 914020), (40, 776917), (46, 675580), (68, 457010), (85, 365608), (92, 337790), (115, 270232), (136, 228505), (170, 182804), (184, 168895), (230, 135116), (340, 91402), (391, 79480), (460, 67558), (680, 45701), (782, 39740), (920, 33779), (1564, 19870), (1955, 15896), (1987, 15640), (3128, 9935), (3910, 7948), (3974, 7820)]