31319560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 74908800

約数和(自身を除く): 43589240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 577, 590, 920, 1154, 1180, 1357, 2308, 2360, 2714, 2885, 4616, 5428, 5770, 6785, 10856, 11540, 13271, 13570, 23080, 26542, 27140, 34043, 53084, 54280, 66355, 68086, 106168, 132710, 136172, 170215, 265420, 272344, 340430, 530840, 680860, 782989, 1361720, 1565978, 3131956, 3914945, 6263912, 7829890, 15659780, 31319560]

約数ペア:

[(1, 31319560), (2, 15659780), (4, 7829890), (5, 6263912), (8, 3914945), (10, 3131956), (20, 1565978), (23, 1361720), (40, 782989), (46, 680860), (59, 530840), (92, 340430), (115, 272344), (118, 265420), (184, 170215), (230, 136172), (236, 132710), (295, 106168), (460, 68086), (472, 66355), (577, 54280), (590, 53084), (920, 34043), (1154, 27140), (1180, 26542), (1357, 23080), (2308, 13570), (2360, 13271), (2714, 11540), (2885, 10856), (4616, 6785), (5428, 5770)]