839688320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42323}}^1$

素因数の和:42373

約数の個数: 64

約数和(自身を含む): 2072183040

約数和(自身を除く): 1232494720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 42323, 84646, 169292, 211615, 338584, 423230, 677168, 846460, 1312013, 1354336, 1692920, 2624026, 2708672, 3385840, 5248052, 5417344, 6560065, 6771680, 10496104, 13120130, 13543360, 20992208, 26240260, 27086720, 41984416, 52480520, 83968832, 104961040, 167937664, 209922080, 419844160, 839688320]

約数ペア:

[(1, 839688320), (2, 419844160), (4, 209922080), (5, 167937664), (8, 104961040), (10, 83968832), (16, 52480520), (20, 41984416), (31, 27086720), (32, 26240260), (40, 20992208), (62, 13543360), (64, 13120130), (80, 10496104), (124, 6771680), (128, 6560065), (155, 5417344), (160, 5248052), (248, 3385840), (310, 2708672), (320, 2624026), (496, 1692920), (620, 1354336), (640, 1312013), (992, 846460), (1240, 677168), (1984, 423230), (2480, 338584), (3968, 211615), (4960, 169292), (9920, 84646), (19840, 42323)]