289807920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{402511}}^1$

素因数の和:402530

約数の個数: 60

約数和(自身を含む): 973274016

約数和(自身を除く): 683466096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 402511, 805022, 1207533, 1610044, 2012555, 2415066, 3220088, 3622599, 4025110, 4830132, 6037665, 6440176, 7245198, 8050220, 9660264, 12075330, 14490396, 16100440, 18112995, 19320528, 24150660, 28980792, 32200880, 36225990, 48301320, 57961584, 72451980, 96602640, 144903960, 289807920]

約数ペア:

[(1, 289807920), (2, 144903960), (3, 96602640), (4, 72451980), (5, 57961584), (6, 48301320), (8, 36225990), (9, 32200880), (10, 28980792), (12, 24150660), (15, 19320528), (16, 18112995), (18, 16100440), (20, 14490396), (24, 12075330), (30, 9660264), (36, 8050220), (40, 7245198), (45, 6440176), (48, 6037665), (60, 4830132), (72, 4025110), (80, 3622599), (90, 3220088), (120, 2415066), (144, 2012555), (180, 1610044), (240, 1207533), (360, 805022), (720, 402511)]