648648960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5504

約数の個数: 144

約数和(自身を含む): 2138841600

約数和(自身を除く): 1490192640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5449, 5952, 7440, 7936, 9920, 10898, 11904, 14880, 16347, 19840, 21796, 23808, 27245, 29760, 32694, 39680, 43592, 54490, 59520, 65388, 81735, 87184, 108980, 119040, 130776, 163470, 168919, 174368, 217960, 261552, 326940, 337838, 348736, 435920, 506757, 523104, 653880, 675676, 697472, 844595, 871840, 1013514, 1046208, 1307760, 1351352, 1394944, 1689190, 1743680, 2027028, 2092416, 2533785, 2615520, 2702704, 3378380, 3487360, 4054056, 4184832, 5067570, 5231040, 5405408, 6756760, 6974720, 8108112, 10135140, 10462080, 10810816, 13513520, 16216224, 20270280, 20924160, 21621632, 27027040, 32432448, 40540560, 43243264, 54054080, 64864896, 81081120, 108108160, 129729792, 162162240, 216216320, 324324480, 648648960]

約数ペア:

[(1, 648648960), (2, 324324480), (3, 216216320), (4, 162162240), (5, 129729792), (6, 108108160), (8, 81081120), (10, 64864896), (12, 54054080), (15, 43243264), (16, 40540560), (20, 32432448), (24, 27027040), (30, 21621632), (31, 20924160), (32, 20270280), (40, 16216224), (48, 13513520), (60, 10810816), (62, 10462080), (64, 10135140), (80, 8108112), (93, 6974720), (96, 6756760), (120, 5405408), (124, 5231040), (128, 5067570), (155, 4184832), (160, 4054056), (186, 3487360), (192, 3378380), (240, 2702704), (248, 2615520), (256, 2533785), (310, 2092416), (320, 2027028), (372, 1743680), (384, 1689190), (465, 1394944), (480, 1351352), (496, 1307760), (620, 1046208), (640, 1013514), (744, 871840), (768, 844595), (930, 697472), (960, 675676), (992, 653880), (1240, 523104), (1280, 506757), (1488, 435920), (1860, 348736), (1920, 337838), (1984, 326940), (2480, 261552), (2976, 217960), (3720, 174368), (3840, 168919), (3968, 163470), (4960, 130776), (5449, 119040), (5952, 108980), (7440, 87184), (7936, 81735), (9920, 65388), (10898, 59520), (11904, 54490), (14880, 43592), (16347, 39680), (19840, 32694), (21796, 29760), (23808, 27245)]