85421120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 214579200

約数和(自身を除く): 129158080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 109, 124, 155, 158, 160, 218, 248, 310, 316, 320, 395, 436, 496, 545, 620, 632, 790, 872, 992, 1090, 1240, 1264, 1580, 1744, 1984, 2180, 2449, 2480, 2528, 3160, 3379, 3488, 4360, 4898, 4960, 5056, 6320, 6758, 6976, 8611, 8720, 9796, 9920, 12245, 12640, 13516, 16895, 17222, 17440, 19592, 24490, 25280, 27032, 33790, 34444, 34880, 39184, 43055, 48980, 54064, 67580, 68888, 78368, 86110, 97960, 108128, 135160, 137776, 156736, 172220, 195920, 216256, 266941, 270320, 275552, 344440, 391840, 533882, 540640, 551104, 688880, 783680, 1067764, 1081280, 1334705, 1377760, 2135528, 2669410, 2755520, 4271056, 5338820, 8542112, 10677640, 17084224, 21355280, 42710560, 85421120]

約数ペア:

[(1, 85421120), (2, 42710560), (4, 21355280), (5, 17084224), (8, 10677640), (10, 8542112), (16, 5338820), (20, 4271056), (31, 2755520), (32, 2669410), (40, 2135528), (62, 1377760), (64, 1334705), (79, 1081280), (80, 1067764), (109, 783680), (124, 688880), (155, 551104), (158, 540640), (160, 533882), (218, 391840), (248, 344440), (310, 275552), (316, 270320), (320, 266941), (395, 216256), (436, 195920), (496, 172220), (545, 156736), (620, 137776), (632, 135160), (790, 108128), (872, 97960), (992, 86110), (1090, 78368), (1240, 68888), (1264, 67580), (1580, 54064), (1744, 48980), (1984, 43055), (2180, 39184), (2449, 34880), (2480, 34444), (2528, 33790), (3160, 27032), (3379, 25280), (3488, 24490), (4360, 19592), (4898, 17440), (4960, 17222), (5056, 16895), (6320, 13516), (6758, 12640), (6976, 12245), (8611, 9920), (8720, 9796)]