661712280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39671}}^1$

素因数の和:39824

約数の個数: 64

約数和(自身を含む): 1999468800

約数和(自身を除く): 1337756520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 39671, 79342, 119013, 158684, 198355, 238026, 317368, 396710, 476052, 595065, 793420, 952104, 1190130, 1586840, 2380260, 4760520, 5514269, 11028538, 16542807, 22057076, 27571345, 33085614, 44114152, 55142690, 66171228, 82714035, 110285380, 132342456, 165428070, 220570760, 330856140, 661712280]

約数ペア:

[(1, 661712280), (2, 330856140), (3, 220570760), (4, 165428070), (5, 132342456), (6, 110285380), (8, 82714035), (10, 66171228), (12, 55142690), (15, 44114152), (20, 33085614), (24, 27571345), (30, 22057076), (40, 16542807), (60, 11028538), (120, 5514269), (139, 4760520), (278, 2380260), (417, 1586840), (556, 1190130), (695, 952104), (834, 793420), (1112, 595065), (1390, 476052), (1668, 396710), (2085, 317368), (2780, 238026), (3336, 198355), (4170, 158684), (5560, 119013), (8340, 79342), (16680, 39671)]