990472960

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26683}}^1$

素因数の和:26733

約数の個数: 72

約数和(自身を含む): 2454394320

約数和(自身を除く): 1463921360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4640, 7424, 9280, 18560, 26683, 37120, 53366, 106732, 133415, 213464, 266830, 426928, 533660, 773807, 853856, 1067320, 1547614, 1707712, 2134640, 3095228, 3415424, 3869035, 4269280, 6190456, 6830848, 7738070, 8538560, 12380912, 15476140, 17077120, 24761824, 30952280, 34154240, 49523648, 61904560, 99047296, 123809120, 198094592, 247618240, 495236480, 990472960]

約数ペア:

[(1, 990472960), (2, 495236480), (4, 247618240), (5, 198094592), (8, 123809120), (10, 99047296), (16, 61904560), (20, 49523648), (29, 34154240), (32, 30952280), (40, 24761824), (58, 17077120), (64, 15476140), (80, 12380912), (116, 8538560), (128, 7738070), (145, 6830848), (160, 6190456), (232, 4269280), (256, 3869035), (290, 3415424), (320, 3095228), (464, 2134640), (580, 1707712), (640, 1547614), (928, 1067320), (1160, 853856), (1280, 773807), (1856, 533660), (2320, 426928), (3712, 266830), (4640, 213464), (7424, 133415), (9280, 106732), (18560, 53366), (26683, 37120)]