400926720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 192

約数和(自身を含む): 1327173120

約数和(自身を除く): 926246400

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, 421, 465, 480, 496, 512, 620, 640, 744, 768, 842, 930, 960, 992, 1024, 1240, 1263, 1280, 1488, 1536, 1684, 1860, 1920, 1984, 2048, 2105, 2480, 2526, 2560, 2976, 3072, 3368, 3720, 3840, 3968, 4210, 4960, 5052, 5120, 5952, 6144, 6315, 6736, 7440, 7680, 7936, 8420, 9920, 10104, 10240, 11904, 12630, 13051, 13472, 14880, 15360, 15872, 16840, 19840, 20208, 23808, 25260, 26102, 26944, 29760, 30720, 31744, 33680, 39153, 39680, 40416, 47616, 50520, 52204, 53888, 59520, 63488, 65255, 67360, 78306, 79360, 80832, 95232, 101040, 104408, 107776, 119040, 130510, 134720, 156612, 158720, 161664, 190464, 195765, 202080, 208816, 215552, 238080, 261020, 269440, 313224, 317440, 323328, 391530, 404160, 417632, 431104, 476160, 522040, 538880, 626448, 646656, 783060, 808320, 835264, 862208, 952320, 1044080, 1077760, 1252896, 1293312, 1566120, 1616640, 1670528, 2088160, 2155520, 2505792, 2586624, 3132240, 3233280, 3341056, 4176320, 4311040, 5011584, 6264480, 6466560, 6682112, 8352640, 10023168, 12528960, 12933120, 13364224, 16705280, 20046336, 25057920, 26728448, 33410560, 40092672, 50115840, 66821120, 80185344, 100231680, 133642240, 200463360, 400926720]

約数ペア:

[(1, 400926720), (2, 200463360), (3, 133642240), (4, 100231680), (5, 80185344), (6, 66821120), (8, 50115840), (10, 40092672), (12, 33410560), (15, 26728448), (16, 25057920), (20, 20046336), (24, 16705280), (30, 13364224), (31, 12933120), (32, 12528960), (40, 10023168), (48, 8352640), (60, 6682112), (62, 6466560), (64, 6264480), (80, 5011584), (93, 4311040), (96, 4176320), (120, 3341056), (124, 3233280), (128, 3132240), (155, 2586624), (160, 2505792), (186, 2155520), (192, 2088160), (240, 1670528), (248, 1616640), (256, 1566120), (310, 1293312), (320, 1252896), (372, 1077760), (384, 1044080), (421, 952320), (465, 862208), (480, 835264), (496, 808320), (512, 783060), (620, 646656), (640, 626448), (744, 538880), (768, 522040), (842, 476160), (930, 431104), (960, 417632), (992, 404160), (1024, 391530), (1240, 323328), (1263, 317440), (1280, 313224), (1488, 269440), (1536, 261020), (1684, 238080), (1860, 215552), (1920, 208816), (1984, 202080), (2048, 195765), (2105, 190464), (2480, 161664), (2526, 158720), (2560, 156612), (2976, 134720), (3072, 130510), (3368, 119040), (3720, 107776), (3840, 104408), (3968, 101040), (4210, 95232), (4960, 80832), (5052, 79360), (5120, 78306), (5952, 67360), (6144, 65255), (6315, 63488), (6736, 59520), (7440, 53888), (7680, 52204), (7936, 50520), (8420, 47616), (9920, 40416), (10104, 39680), (10240, 39153), (11904, 33680), (12630, 31744), (13051, 30720), (13472, 29760), (14880, 26944), (15360, 26102), (15872, 25260), (16840, 23808), (19840, 20208)]