78136760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8839}}^1$

素因数の和:8880

約数の個数: 64

約数和(自身を含む): 200491200

約数和(自身を除く): 122354440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8839, 8840, 17678, 35356, 44195, 70712, 88390, 114907, 150263, 176780, 229814, 300526, 353560, 459628, 574535, 601052, 751315, 919256, 1149070, 1202104, 1502630, 1953419, 2298140, 3005260, 3906838, 4596280, 6010520, 7813676, 9767095, 15627352, 19534190, 39068380, 78136760]

約数ペア:

[(1, 78136760), (2, 39068380), (4, 19534190), (5, 15627352), (8, 9767095), (10, 7813676), (13, 6010520), (17, 4596280), (20, 3906838), (26, 3005260), (34, 2298140), (40, 1953419), (52, 1502630), (65, 1202104), (68, 1149070), (85, 919256), (104, 751315), (130, 601052), (136, 574535), (170, 459628), (221, 353560), (260, 300526), (340, 229814), (442, 176780), (520, 150263), (680, 114907), (884, 88390), (1105, 70712), (1768, 44195), (2210, 35356), (4420, 17678), (8839, 8840)]