1280699520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2357}}^1$

素因数の和:2662

約数の個数: 128

約数和(自身を含む): 4098392640

約数和(自身を除く): 2817693120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 283, 320, 384, 480, 566, 640, 849, 960, 1132, 1415, 1698, 1920, 2264, 2357, 2830, 3396, 4245, 4528, 4714, 5660, 6792, 7071, 8490, 9056, 9428, 11320, 11785, 13584, 14142, 16980, 18112, 18856, 22640, 23570, 27168, 28284, 33960, 35355, 36224, 37712, 45280, 47140, 54336, 56568, 67920, 70710, 75424, 90560, 94280, 108672, 113136, 135840, 141420, 150848, 181120, 188560, 226272, 271680, 282840, 301696, 377120, 452544, 543360, 565680, 667031, 754240, 905088, 1131360, 1334062, 1508480, 2001093, 2262720, 2668124, 3335155, 4002186, 4525440, 5336248, 6670310, 8004372, 10005465, 10672496, 13340620, 16008744, 20010930, 21344992, 26681240, 32017488, 40021860, 42689984, 53362480, 64034976, 80043720, 85379968, 106724960, 128069952, 160087440, 213449920, 256139904, 320174880, 426899840, 640349760, 1280699520]

約数ペア:

[(1, 1280699520), (2, 640349760), (3, 426899840), (4, 320174880), (5, 256139904), (6, 213449920), (8, 160087440), (10, 128069952), (12, 106724960), (15, 85379968), (16, 80043720), (20, 64034976), (24, 53362480), (30, 42689984), (32, 40021860), (40, 32017488), (48, 26681240), (60, 21344992), (64, 20010930), (80, 16008744), (96, 13340620), (120, 10672496), (128, 10005465), (160, 8004372), (192, 6670310), (240, 5336248), (283, 4525440), (320, 4002186), (384, 3335155), (480, 2668124), (566, 2262720), (640, 2001093), (849, 1508480), (960, 1334062), (1132, 1131360), (1415, 905088), (1698, 754240), (1920, 667031), (2264, 565680), (2357, 543360), (2830, 452544), (3396, 377120), (4245, 301696), (4528, 282840), (4714, 271680), (5660, 226272), (6792, 188560), (7071, 181120), (8490, 150848), (9056, 141420), (9428, 135840), (11320, 113136), (11785, 108672), (13584, 94280), (14142, 90560), (16980, 75424), (18112, 70710), (18856, 67920), (22640, 56568), (23570, 54336), (27168, 47140), (28284, 45280), (33960, 37712), (35355, 36224)]