About the Number

68742840

68742839 ← → 68742841

2進数表記:100000110001110111010111000

漢数字表記:六千八百七十四万二千八百四十

素因数分解:

2 3 × 3 1 × 5 1 × 241 1 × 2377 1

素因数の和:2632
約数の個数: 64
約数和(自身を含む): 207171360
約数和(自身を除く): 138428520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2377, 2410, 2892, 3615, 4754, 4820, 5784, 7131, 7230, 9508, 9640, 11885, 14262, 14460, 19016, 23770, 28524, 28920, 35655, 47540, 57048, 71310, 95080, 142620, 285240, 572857, 1145714, 1718571, 2291428, 2864285, 3437142, 4582856, 5728570, 6874284, 8592855, 11457140, 13748568, 17185710, 22914280, 34371420, 68742840]

約数ペア:
[(1, 68742840), (2, 34371420), (3, 22914280), (4, 17185710), (5, 13748568), (6, 11457140), (8, 8592855), (10, 6874284), (12, 5728570), (15, 4582856), (20, 3437142), (24, 2864285), (30, 2291428), (40, 1718571), (60, 1145714), (120, 572857), (241, 285240), (482, 142620), (723, 95080), (964, 71310), (1205, 57048), (1446, 47540), (1928, 35655), (2377, 28920), (2410, 28524), (2892, 23770), (3615, 19016), (4754, 14460), (4820, 14262), (5784, 11885), (7131, 9640), (7230, 9508)]

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