448403840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 1122750720

約数和(自身を除く): 674346880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 155, 160, 194, 233, 248, 310, 320, 388, 466, 485, 496, 620, 640, 776, 932, 970, 992, 1165, 1240, 1552, 1864, 1940, 1984, 2330, 2480, 3007, 3104, 3728, 3880, 3968, 4660, 4960, 6014, 6208, 7223, 7456, 7760, 9320, 9920, 12028, 12416, 14446, 14912, 15035, 15520, 18640, 19840, 22601, 24056, 28892, 29824, 30070, 31040, 36115, 37280, 45202, 48112, 57784, 60140, 62080, 72230, 74560, 90404, 96224, 113005, 115568, 120280, 144460, 149120, 180808, 192448, 226010, 231136, 240560, 288920, 361616, 384896, 452020, 462272, 481120, 577840, 700631, 723232, 904040, 924544, 962240, 1155680, 1401262, 1446464, 1808080, 1924480, 2311360, 2802524, 2892928, 3503155, 3616160, 4622720, 5605048, 7006310, 7232320, 11210096, 14012620, 14464640, 22420192, 28025240, 44840384, 56050480, 89680768, 112100960, 224201920, 448403840]

約数ペア:

[(1, 448403840), (2, 224201920), (4, 112100960), (5, 89680768), (8, 56050480), (10, 44840384), (16, 28025240), (20, 22420192), (31, 14464640), (32, 14012620), (40, 11210096), (62, 7232320), (64, 7006310), (80, 5605048), (97, 4622720), (124, 3616160), (128, 3503155), (155, 2892928), (160, 2802524), (194, 2311360), (233, 1924480), (248, 1808080), (310, 1446464), (320, 1401262), (388, 1155680), (466, 962240), (485, 924544), (496, 904040), (620, 723232), (640, 700631), (776, 577840), (932, 481120), (970, 462272), (992, 452020), (1165, 384896), (1240, 361616), (1552, 288920), (1864, 240560), (1940, 231136), (1984, 226010), (2330, 192448), (2480, 180808), (3007, 149120), (3104, 144460), (3728, 120280), (3880, 115568), (3968, 113005), (4660, 96224), (4960, 90404), (6014, 74560), (6208, 72230), (7223, 62080), (7456, 60140), (7760, 57784), (9320, 48112), (9920, 45202), (12028, 37280), (12416, 36115), (14446, 31040), (14912, 30070), (15035, 29824), (15520, 28892), (18640, 24056), (19840, 22601)]