906880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 2356200

約数和(自身を除く): 1449320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 260, 320, 416, 436, 520, 545, 640, 832, 872, 1040, 1090, 1417, 1664, 1744, 2080, 2180, 2834, 3488, 4160, 4360, 5668, 6976, 7085, 8320, 8720, 11336, 13952, 14170, 17440, 22672, 28340, 34880, 45344, 56680, 69760, 90688, 113360, 181376, 226720, 453440, 906880]

約数ペア:

[(1, 906880), (2, 453440), (4, 226720), (5, 181376), (8, 113360), (10, 90688), (13, 69760), (16, 56680), (20, 45344), (26, 34880), (32, 28340), (40, 22672), (52, 17440), (64, 14170), (65, 13952), (80, 11336), (104, 8720), (109, 8320), (128, 7085), (130, 6976), (160, 5668), (208, 4360), (218, 4160), (260, 3488), (320, 2834), (416, 2180), (436, 2080), (520, 1744), (545, 1664), (640, 1417), (832, 1090), (872, 1040)]