72421680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{809}}^1$

素因数の和:1198

約数の個数: 80

約数和(自身を含む): 225387360

約数和(自身を除く): 152965680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 373, 746, 809, 1119, 1492, 1618, 1865, 2238, 2427, 2984, 3236, 3730, 4045, 4476, 4854, 5595, 5968, 6472, 7460, 8090, 8952, 9708, 11190, 12135, 12944, 14920, 16180, 17904, 19416, 22380, 24270, 29840, 32360, 38832, 44760, 48540, 64720, 89520, 97080, 194160, 301757, 603514, 905271, 1207028, 1508785, 1810542, 2414056, 3017570, 3621084, 4526355, 4828112, 6035140, 7242168, 9052710, 12070280, 14484336, 18105420, 24140560, 36210840, 72421680]

約数ペア:

[(1, 72421680), (2, 36210840), (3, 24140560), (4, 18105420), (5, 14484336), (6, 12070280), (8, 9052710), (10, 7242168), (12, 6035140), (15, 4828112), (16, 4526355), (20, 3621084), (24, 3017570), (30, 2414056), (40, 1810542), (48, 1508785), (60, 1207028), (80, 905271), (120, 603514), (240, 301757), (373, 194160), (746, 97080), (809, 89520), (1119, 64720), (1492, 48540), (1618, 44760), (1865, 38832), (2238, 32360), (2427, 29840), (2984, 24270), (3236, 22380), (3730, 19416), (4045, 17904), (4476, 16180), (4854, 14920), (5595, 12944), (5968, 12135), (6472, 11190), (7460, 9708), (8090, 8952)]