71916680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 179020800

約数和(自身を除く): 107104120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2239, 2920, 3212, 4015, 4478, 6424, 8030, 8956, 11195, 16060, 17912, 22390, 24629, 32120, 44780, 49258, 89560, 98516, 123145, 163447, 197032, 246290, 326894, 492580, 653788, 817235, 985160, 1307576, 1634470, 1797917, 3268940, 3595834, 6537880, 7191668, 8989585, 14383336, 17979170, 35958340, 71916680]

約数ペア:

[(1, 71916680), (2, 35958340), (4, 17979170), (5, 14383336), (8, 8989585), (10, 7191668), (11, 6537880), (20, 3595834), (22, 3268940), (40, 1797917), (44, 1634470), (55, 1307576), (73, 985160), (88, 817235), (110, 653788), (146, 492580), (220, 326894), (292, 246290), (365, 197032), (440, 163447), (584, 123145), (730, 98516), (803, 89560), (1460, 49258), (1606, 44780), (2239, 32120), (2920, 24629), (3212, 22390), (4015, 17912), (4478, 16060), (6424, 11195), (8030, 8956)]