661661520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6901

約数の個数: 160

約数和(自身を含む): 2280520704

約数和(自身を除く): 1618859184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 3120, 3224, 3720, 4030, 4836, 6045, 6448, 6841, 7440, 8060, 9672, 12090, 13682, 16120, 19344, 20523, 24180, 27364, 32240, 34205, 41046, 48360, 54728, 68410, 82092, 88933, 96720, 102615, 109456, 136820, 164184, 177866, 205230, 212071, 266799, 273640, 328368, 355732, 410460, 424142, 444665, 533598, 547280, 636213, 711464, 820920, 848284, 889330, 1060355, 1067196, 1272426, 1333995, 1422928, 1641840, 1696568, 1778660, 2120710, 2134392, 2544852, 2667990, 2756923, 3181065, 3393136, 3557320, 4241420, 4268784, 5089704, 5335980, 5513846, 6362130, 7114640, 8270769, 8482840, 10179408, 10671960, 11027692, 12724260, 13784615, 16541538, 16965680, 21343920, 22055384, 25448520, 27569230, 33083076, 41353845, 44110768, 50897040, 55138460, 66166152, 82707690, 110276920, 132332304, 165415380, 220553840, 330830760, 661661520]

約数ペア:

[(1, 661661520), (2, 330830760), (3, 220553840), (4, 165415380), (5, 132332304), (6, 110276920), (8, 82707690), (10, 66166152), (12, 55138460), (13, 50897040), (15, 44110768), (16, 41353845), (20, 33083076), (24, 27569230), (26, 25448520), (30, 22055384), (31, 21343920), (39, 16965680), (40, 16541538), (48, 13784615), (52, 12724260), (60, 11027692), (62, 10671960), (65, 10179408), (78, 8482840), (80, 8270769), (93, 7114640), (104, 6362130), (120, 5513846), (124, 5335980), (130, 5089704), (155, 4268784), (156, 4241420), (186, 3557320), (195, 3393136), (208, 3181065), (240, 2756923), (248, 2667990), (260, 2544852), (310, 2134392), (312, 2120710), (372, 1778660), (390, 1696568), (403, 1641840), (465, 1422928), (496, 1333995), (520, 1272426), (620, 1067196), (624, 1060355), (744, 889330), (780, 848284), (806, 820920), (930, 711464), (1040, 636213), (1209, 547280), (1240, 533598), (1488, 444665), (1560, 424142), (1612, 410460), (1860, 355732), (2015, 328368), (2418, 273640), (2480, 266799), (3120, 212071), (3224, 205230), (3720, 177866), (4030, 164184), (4836, 136820), (6045, 109456), (6448, 102615), (6841, 96720), (7440, 88933), (8060, 82092), (9672, 68410), (12090, 54728), (13682, 48360), (16120, 41046), (19344, 34205), (20523, 32240), (24180, 27364)]