8047140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 22861440

約数和(自身を除く): 14814300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1889, 2130, 3778, 4260, 5667, 7556, 9445, 11334, 18890, 22668, 28335, 37780, 56670, 113340, 134119, 268238, 402357, 536476, 670595, 804714, 1341190, 1609428, 2011785, 2682380, 4023570, 8047140]

約数ペア:

[(1, 8047140), (2, 4023570), (3, 2682380), (4, 2011785), (5, 1609428), (6, 1341190), (10, 804714), (12, 670595), (15, 536476), (20, 402357), (30, 268238), (60, 134119), (71, 113340), (142, 56670), (213, 37780), (284, 28335), (355, 22668), (426, 18890), (710, 11334), (852, 9445), (1065, 7556), (1420, 5667), (1889, 4260), (2130, 3778)]