90936640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 112

約数和(自身を含む): 228234240

約数和(自身を除く): 137297600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 103, 124, 155, 160, 178, 206, 248, 310, 320, 356, 412, 445, 496, 515, 620, 712, 824, 890, 992, 1030, 1240, 1424, 1648, 1780, 1984, 2060, 2480, 2759, 2848, 3193, 3296, 3560, 4120, 4960, 5518, 5696, 6386, 6592, 7120, 8240, 9167, 9920, 11036, 12772, 13795, 14240, 15965, 16480, 18334, 22072, 25544, 27590, 28480, 31930, 32960, 36668, 44144, 45835, 51088, 55180, 63860, 73336, 88288, 91670, 102176, 110360, 127720, 146672, 176576, 183340, 204352, 220720, 255440, 284177, 293344, 366680, 441440, 510880, 568354, 586688, 733360, 882880, 1021760, 1136708, 1420885, 1466720, 2273416, 2841770, 2933440, 4546832, 5683540, 9093664, 11367080, 18187328, 22734160, 45468320, 90936640]

約数ペア:

[(1, 90936640), (2, 45468320), (4, 22734160), (5, 18187328), (8, 11367080), (10, 9093664), (16, 5683540), (20, 4546832), (31, 2933440), (32, 2841770), (40, 2273416), (62, 1466720), (64, 1420885), (80, 1136708), (89, 1021760), (103, 882880), (124, 733360), (155, 586688), (160, 568354), (178, 510880), (206, 441440), (248, 366680), (310, 293344), (320, 284177), (356, 255440), (412, 220720), (445, 204352), (496, 183340), (515, 176576), (620, 146672), (712, 127720), (824, 110360), (890, 102176), (992, 91670), (1030, 88288), (1240, 73336), (1424, 63860), (1648, 55180), (1780, 51088), (1984, 45835), (2060, 44144), (2480, 36668), (2759, 32960), (2848, 31930), (3193, 28480), (3296, 27590), (3560, 25544), (4120, 22072), (4960, 18334), (5518, 16480), (5696, 15965), (6386, 14240), (6592, 13795), (7120, 12772), (8240, 11036), (9167, 9920)]