39712860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 135862272

約数和(自身を除く): 96149412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 647, 660, 682, 930, 990, 1023, 1116, 1294, 1364, 1395, 1705, 1860, 1941, 1980, 2046, 2588, 2790, 3069, 3235, 3410, 3882, 4092, 5115, 5580, 5823, 6138, 6470, 6820, 7117, 7764, 9705, 10230, 11646, 12276, 12940, 14234, 15345, 19410, 20057, 20460, 21351, 23292, 28468, 29115, 30690, 35585, 38820, 40114, 42702, 58230, 60171, 61380, 64053, 71170, 80228, 85404, 100285, 106755, 116460, 120342, 128106, 142340, 180513, 200570, 213510, 220627, 240684, 256212, 300855, 320265, 361026, 401140, 427020, 441254, 601710, 640530, 661881, 722052, 882508, 902565, 1103135, 1203420, 1281060, 1323762, 1805130, 1985643, 2206270, 2647524, 3309405, 3610260, 3971286, 4412540, 6618810, 7942572, 9928215, 13237620, 19856430, 39712860]

約数ペア:

[(1, 39712860), (2, 19856430), (3, 13237620), (4, 9928215), (5, 7942572), (6, 6618810), (9, 4412540), (10, 3971286), (11, 3610260), (12, 3309405), (15, 2647524), (18, 2206270), (20, 1985643), (22, 1805130), (30, 1323762), (31, 1281060), (33, 1203420), (36, 1103135), (44, 902565), (45, 882508), (55, 722052), (60, 661881), (62, 640530), (66, 601710), (90, 441254), (93, 427020), (99, 401140), (110, 361026), (124, 320265), (132, 300855), (155, 256212), (165, 240684), (180, 220627), (186, 213510), (198, 200570), (220, 180513), (279, 142340), (310, 128106), (330, 120342), (341, 116460), (372, 106755), (396, 100285), (465, 85404), (495, 80228), (558, 71170), (620, 64053), (647, 61380), (660, 60171), (682, 58230), (930, 42702), (990, 40114), (1023, 38820), (1116, 35585), (1294, 30690), (1364, 29115), (1395, 28468), (1705, 23292), (1860, 21351), (1941, 20460), (1980, 20057), (2046, 19410), (2588, 15345), (2790, 14234), (3069, 12940), (3235, 12276), (3410, 11646), (3882, 10230), (4092, 9705), (5115, 7764), (5580, 7117), (5823, 6820), (6138, 6470)]