8362880

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 20379600

約数和(自身を除く): 12016720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 179, 292, 320, 358, 365, 584, 640, 716, 730, 895, 1168, 1432, 1460, 1790, 2336, 2864, 2920, 3580, 4672, 5728, 5840, 7160, 9344, 11456, 11680, 13067, 14320, 22912, 23360, 26134, 28640, 46720, 52268, 57280, 65335, 104536, 114560, 130670, 209072, 261340, 418144, 522680, 836288, 1045360, 1672576, 2090720, 4181440, 8362880]

約数ペア:

[(1, 8362880), (2, 4181440), (4, 2090720), (5, 1672576), (8, 1045360), (10, 836288), (16, 522680), (20, 418144), (32, 261340), (40, 209072), (64, 130670), (73, 114560), (80, 104536), (128, 65335), (146, 57280), (160, 52268), (179, 46720), (292, 28640), (320, 26134), (358, 23360), (365, 22912), (584, 14320), (640, 13067), (716, 11680), (730, 11456), (895, 9344), (1168, 7160), (1432, 5840), (1460, 5728), (1790, 4672), (2336, 3580), (2864, 2920)]