87088280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 122863720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1439, 1513, 1780, 2878, 3026, 3560, 5756, 6052, 7195, 7565, 11512, 12104, 14390, 15130, 24463, 28780, 30260, 48926, 57560, 60520, 97852, 122315, 128071, 195704, 244630, 256142, 489260, 512284, 640355, 978520, 1024568, 1280710, 2177207, 2561420, 4354414, 5122840, 8708828, 10886035, 17417656, 21772070, 43544140, 87088280]

約数ペア:

[(1, 87088280), (2, 43544140), (4, 21772070), (5, 17417656), (8, 10886035), (10, 8708828), (17, 5122840), (20, 4354414), (34, 2561420), (40, 2177207), (68, 1280710), (85, 1024568), (89, 978520), (136, 640355), (170, 512284), (178, 489260), (340, 256142), (356, 244630), (445, 195704), (680, 128071), (712, 122315), (890, 97852), (1439, 60520), (1513, 57560), (1780, 48926), (2878, 30260), (3026, 28780), (3560, 24463), (5756, 15130), (6052, 14390), (7195, 12104), (7565, 11512)]