640541832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{200671}}^1$

素因数の和:200706

約数の個数: 64

約数和(自身を含む): 1926451200

約数和(自身を除く): 1285909368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 200671, 401342, 602013, 802684, 1204026, 1404697, 1605368, 2408052, 2809394, 3812749, 4214091, 4816104, 5618788, 7625498, 8428182, 11237576, 11438247, 15250996, 16856364, 22876494, 26689243, 30501992, 33712728, 45752988, 53378486, 80067729, 91505976, 106756972, 160135458, 213513944, 320270916, 640541832]

約数ペア:

[(1, 640541832), (2, 320270916), (3, 213513944), (4, 160135458), (6, 106756972), (7, 91505976), (8, 80067729), (12, 53378486), (14, 45752988), (19, 33712728), (21, 30501992), (24, 26689243), (28, 22876494), (38, 16856364), (42, 15250996), (56, 11438247), (57, 11237576), (76, 8428182), (84, 7625498), (114, 5618788), (133, 4816104), (152, 4214091), (168, 3812749), (228, 2809394), (266, 2408052), (399, 1605368), (456, 1404697), (532, 1204026), (798, 802684), (1064, 602013), (1596, 401342), (3192, 200671)]