1520673580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2\times {\mathrm{331}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 3351161520

約数和(自身を除く): 1830487940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 331, 356, 445, 580, 662, 890, 1324, 1655, 1780, 2581, 3310, 5162, 6620, 7921, 9599, 10324, 12905, 15842, 19198, 25810, 29459, 31684, 38396, 39605, 47995, 51620, 58918, 79210, 95990, 117836, 147295, 158420, 191980, 229709, 294590, 459418, 589180, 854311, 918836, 1148545, 1708622, 2297090, 2621851, 3417244, 4271555, 4594180, 5243702, 8543110, 10487404, 13109255, 17086220, 26218510, 52437020, 76033679, 152067358, 304134716, 380168395, 760336790, 1520673580]

約数ペア:

[(1, 1520673580), (2, 760336790), (4, 380168395), (5, 304134716), (10, 152067358), (20, 76033679), (29, 52437020), (58, 26218510), (89, 17086220), (116, 13109255), (145, 10487404), (178, 8543110), (290, 5243702), (331, 4594180), (356, 4271555), (445, 3417244), (580, 2621851), (662, 2297090), (890, 1708622), (1324, 1148545), (1655, 918836), (1780, 854311), (2581, 589180), (3310, 459418), (5162, 294590), (6620, 229709), (7921, 191980), (9599, 158420), (10324, 147295), (12905, 117836), (15842, 95990), (19198, 79210), (25810, 58918), (29459, 51620), (31684, 47995), (38396, 39605)]