309861840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3319}}^1$

素因数の和:3724

約数の個数: 80

約数和(自身を含む): 963331200

約数和(自身を除く): 653469360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 3112, 3319, 3890, 4668, 5835, 6224, 6638, 7780, 9336, 9957, 11670, 13276, 15560, 16595, 18672, 19914, 23340, 26552, 31120, 33190, 39828, 46680, 49785, 53104, 66380, 79656, 93360, 99570, 132760, 159312, 199140, 265520, 398280, 796560, 1291091, 2582182, 3873273, 5164364, 6455455, 7746546, 10328728, 12910910, 15493092, 19366365, 20657456, 25821820, 30986184, 38732730, 51643640, 61972368, 77465460, 103287280, 154930920, 309861840]

約数ペア:

[(1, 309861840), (2, 154930920), (3, 103287280), (4, 77465460), (5, 61972368), (6, 51643640), (8, 38732730), (10, 30986184), (12, 25821820), (15, 20657456), (16, 19366365), (20, 15493092), (24, 12910910), (30, 10328728), (40, 7746546), (48, 6455455), (60, 5164364), (80, 3873273), (120, 2582182), (240, 1291091), (389, 796560), (778, 398280), (1167, 265520), (1556, 199140), (1945, 159312), (2334, 132760), (3112, 99570), (3319, 93360), (3890, 79656), (4668, 66380), (5835, 53104), (6224, 49785), (6638, 46680), (7780, 39828), (9336, 33190), (9957, 31120), (11670, 26552), (13276, 23340), (15560, 19914), (16595, 18672)]