511235885680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{315313}}^1$

素因数の和:316898

約数の個数: 80

約数和(自身を含む): 1280881143360

約数和(自身を除く): 769645257680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1559, 3118, 6236, 7795, 12472, 15590, 20267, 24944, 31180, 40534, 62360, 81068, 101335, 124720, 162136, 202670, 315313, 324272, 405340, 630626, 810680, 1261252, 1576565, 1621360, 2522504, 3153130, 4099069, 5045008, 6306260, 8198138, 12612520, 16396276, 20495345, 25225040, 32792552, 40990690, 65585104, 81981380, 163962760, 327925520, 491572967, 983145934, 1966291868, 2457864835, 3932583736, 4915729670, 6390448571, 7865167472, 9831459340, 12780897142, 19662918680, 25561794284, 31952242855, 39325837360, 51123588568, 63904485710, 102247177136, 127808971420, 255617942840, 511235885680]

約数ペア:

[(1, 511235885680), (2, 255617942840), (4, 127808971420), (5, 102247177136), (8, 63904485710), (10, 51123588568), (13, 39325837360), (16, 31952242855), (20, 25561794284), (26, 19662918680), (40, 12780897142), (52, 9831459340), (65, 7865167472), (80, 6390448571), (104, 4915729670), (130, 3932583736), (208, 2457864835), (260, 1966291868), (520, 983145934), (1040, 491572967), (1559, 327925520), (3118, 163962760), (6236, 81981380), (7795, 65585104), (12472, 40990690), (15590, 32792552), (20267, 25225040), (24944, 20495345), (31180, 16396276), (40534, 12612520), (62360, 8198138), (81068, 6306260), (101335, 5045008), (124720, 4099069), (162136, 3153130), (202670, 2522504), (315313, 1621360), (324272, 1576565), (405340, 1261252), (630626, 810680)]