78320360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 188082000

約数和(自身を除く): 109761640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 773, 1192, 1490, 1546, 2533, 2980, 3092, 3865, 5066, 5960, 6184, 7730, 10132, 12665, 13141, 15460, 20264, 25330, 26282, 30920, 50660, 52564, 65705, 101320, 105128, 115177, 131410, 230354, 262820, 460708, 525640, 575885, 921416, 1151770, 1958009, 2303540, 3916018, 4607080, 7832036, 9790045, 15664072, 19580090, 39160180, 78320360]

約数ペア:

[(1, 78320360), (2, 39160180), (4, 19580090), (5, 15664072), (8, 9790045), (10, 7832036), (17, 4607080), (20, 3916018), (34, 2303540), (40, 1958009), (68, 1151770), (85, 921416), (136, 575885), (149, 525640), (170, 460708), (298, 262820), (340, 230354), (596, 131410), (680, 115177), (745, 105128), (773, 101320), (1192, 65705), (1490, 52564), (1546, 50660), (2533, 30920), (2980, 26282), (3092, 25330), (3865, 20264), (5066, 15460), (5960, 13141), (6184, 12665), (7730, 10132)]