78931580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1459

約数の個数: 96

約数和(自身を含む): 210739200

約数和(自身を除く): 131807620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1399, 1612, 1820, 2015, 2170, 2798, 2821, 4030, 4340, 5596, 5642, 6995, 8060, 9793, 11284, 13990, 14105, 18187, 19586, 27980, 28210, 36374, 39172, 43369, 48965, 56420, 72748, 86738, 90935, 97930, 127309, 173476, 181870, 195860, 216845, 254618, 303583, 363740, 433690, 509236, 563797, 607166, 636545, 867380, 1127594, 1214332, 1273090, 1517915, 2255188, 2546180, 2818985, 3035830, 3946579, 5637970, 6071660, 7893158, 11275940, 15786316, 19732895, 39465790, 78931580]

約数ペア:

[(1, 78931580), (2, 39465790), (4, 19732895), (5, 15786316), (7, 11275940), (10, 7893158), (13, 6071660), (14, 5637970), (20, 3946579), (26, 3035830), (28, 2818985), (31, 2546180), (35, 2255188), (52, 1517915), (62, 1273090), (65, 1214332), (70, 1127594), (91, 867380), (124, 636545), (130, 607166), (140, 563797), (155, 509236), (182, 433690), (217, 363740), (260, 303583), (310, 254618), (364, 216845), (403, 195860), (434, 181870), (455, 173476), (620, 127309), (806, 97930), (868, 90935), (910, 86738), (1085, 72748), (1399, 56420), (1612, 48965), (1820, 43369), (2015, 39172), (2170, 36374), (2798, 28210), (2821, 27980), (4030, 19586), (4340, 18187), (5596, 14105), (5642, 13990), (6995, 11284), (8060, 9793)]