220861980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39581}}^1$

素因数の和:39627

約数の個数: 72

約数和(自身を含む): 691576704

約数和(自身を除く): 470714724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 39581, 79162, 118743, 158324, 197905, 237486, 356229, 395810, 474972, 593715, 712458, 791620, 1187430, 1227011, 1424916, 1781145, 2374860, 2454022, 3562290, 3681033, 4908044, 6135055, 7124580, 7362066, 11043099, 12270110, 14724132, 18405165, 22086198, 24540220, 36810330, 44172396, 55215495, 73620660, 110430990, 220861980]

約数ペア:

[(1, 220861980), (2, 110430990), (3, 73620660), (4, 55215495), (5, 44172396), (6, 36810330), (9, 24540220), (10, 22086198), (12, 18405165), (15, 14724132), (18, 12270110), (20, 11043099), (30, 7362066), (31, 7124580), (36, 6135055), (45, 4908044), (60, 3681033), (62, 3562290), (90, 2454022), (93, 2374860), (124, 1781145), (155, 1424916), (180, 1227011), (186, 1187430), (279, 791620), (310, 712458), (372, 593715), (465, 474972), (558, 395810), (620, 356229), (930, 237486), (1116, 197905), (1395, 158324), (1860, 118743), (2790, 79162), (5580, 39581)]