747288640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2239}}^1$

素因数の和:2412

約数の個数: 112

約数和(自身を含む): 2048256000

約数和(自身を除く): 1300967360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 149, 160, 224, 280, 298, 320, 448, 560, 596, 745, 1043, 1120, 1192, 1490, 2086, 2239, 2240, 2384, 2980, 4172, 4478, 4768, 5215, 5960, 8344, 8956, 9536, 10430, 11195, 11920, 15673, 16688, 17912, 20860, 22390, 23840, 31346, 33376, 35824, 41720, 44780, 47680, 62692, 66752, 71648, 78365, 83440, 89560, 125384, 143296, 156730, 166880, 179120, 250768, 313460, 333611, 333760, 358240, 501536, 626920, 667222, 716480, 1003072, 1253840, 1334444, 1668055, 2335277, 2507680, 2668888, 3336110, 4670554, 5015360, 5337776, 6672220, 9341108, 10675552, 11676385, 13344440, 18682216, 21351104, 23352770, 26688880, 37364432, 46705540, 53377760, 74728864, 93411080, 106755520, 149457728, 186822160, 373644320, 747288640]

約数ペア:

[(1, 747288640), (2, 373644320), (4, 186822160), (5, 149457728), (7, 106755520), (8, 93411080), (10, 74728864), (14, 53377760), (16, 46705540), (20, 37364432), (28, 26688880), (32, 23352770), (35, 21351104), (40, 18682216), (56, 13344440), (64, 11676385), (70, 10675552), (80, 9341108), (112, 6672220), (140, 5337776), (149, 5015360), (160, 4670554), (224, 3336110), (280, 2668888), (298, 2507680), (320, 2335277), (448, 1668055), (560, 1334444), (596, 1253840), (745, 1003072), (1043, 716480), (1120, 667222), (1192, 626920), (1490, 501536), (2086, 358240), (2239, 333760), (2240, 333611), (2384, 313460), (2980, 250768), (4172, 179120), (4478, 166880), (4768, 156730), (5215, 143296), (5960, 125384), (8344, 89560), (8956, 83440), (9536, 78365), (10430, 71648), (11195, 66752), (11920, 62692), (15673, 47680), (16688, 44780), (17912, 41720), (20860, 35824), (22390, 33376), (23840, 31346)]