1640377560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257921}}^1$

素因数の和:257988

約数の個数: 64

約数和(自身を含む): 5014003680

約数和(自身を除く): 3373626120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 257921, 515842, 773763, 1031684, 1289605, 1547526, 2063368, 2579210, 3095052, 3868815, 5158420, 6190104, 7737630, 10316840, 13669813, 15475260, 27339626, 30950520, 41009439, 54679252, 68349065, 82018878, 109358504, 136698130, 164037756, 205047195, 273396260, 328075512, 410094390, 546792520, 820188780, 1640377560]

約数ペア:

[(1, 1640377560), (2, 820188780), (3, 546792520), (4, 410094390), (5, 328075512), (6, 273396260), (8, 205047195), (10, 164037756), (12, 136698130), (15, 109358504), (20, 82018878), (24, 68349065), (30, 54679252), (40, 41009439), (53, 30950520), (60, 27339626), (106, 15475260), (120, 13669813), (159, 10316840), (212, 7737630), (265, 6190104), (318, 5158420), (424, 3868815), (530, 3095052), (636, 2579210), (795, 2063368), (1060, 1547526), (1272, 1289605), (1590, 1031684), (2120, 773763), (3180, 515842), (6360, 257921)]