680557600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 1775698848

約数和(自身を除く): 1095141248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 163, 170, 200, 272, 307, 326, 340, 400, 425, 544, 614, 652, 680, 800, 815, 850, 1228, 1304, 1360, 1535, 1630, 1700, 2456, 2608, 2720, 2771, 3070, 3260, 3400, 4075, 4912, 5216, 5219, 5542, 6140, 6520, 6800, 7675, 8150, 9824, 10438, 11084, 12280, 13040, 13600, 13855, 15350, 16300, 20876, 22168, 24560, 26080, 26095, 27710, 30700, 32600, 41752, 44336, 49120, 50041, 52190, 55420, 61400, 65200, 69275, 83504, 88672, 100082, 104380, 110840, 122800, 130400, 130475, 138550, 167008, 200164, 208760, 221680, 245600, 250205, 260950, 277100, 400328, 417520, 443360, 500410, 521900, 554200, 800656, 835040, 850697, 1000820, 1043800, 1108400, 1251025, 1601312, 1701394, 2001640, 2087600, 2216800, 2502050, 3402788, 4003280, 4175200, 4253485, 5004100, 6805576, 8006560, 8506970, 10008200, 13611152, 17013940, 20016400, 21267425, 27222304, 34027880, 40032800, 42534850, 68055760, 85069700, 136111520, 170139400, 340278800, 680557600]

約数ペア:

[(1, 680557600), (2, 340278800), (4, 170139400), (5, 136111520), (8, 85069700), (10, 68055760), (16, 42534850), (17, 40032800), (20, 34027880), (25, 27222304), (32, 21267425), (34, 20016400), (40, 17013940), (50, 13611152), (68, 10008200), (80, 8506970), (85, 8006560), (100, 6805576), (136, 5004100), (160, 4253485), (163, 4175200), (170, 4003280), (200, 3402788), (272, 2502050), (307, 2216800), (326, 2087600), (340, 2001640), (400, 1701394), (425, 1601312), (544, 1251025), (614, 1108400), (652, 1043800), (680, 1000820), (800, 850697), (815, 835040), (850, 800656), (1228, 554200), (1304, 521900), (1360, 500410), (1535, 443360), (1630, 417520), (1700, 400328), (2456, 277100), (2608, 260950), (2720, 250205), (2771, 245600), (3070, 221680), (3260, 208760), (3400, 200164), (4075, 167008), (4912, 138550), (5216, 130475), (5219, 130400), (5542, 122800), (6140, 110840), (6520, 104380), (6800, 100082), (7675, 88672), (8150, 83504), (9824, 69275), (10438, 65200), (11084, 61400), (12280, 55420), (13040, 52190), (13600, 50041), (13855, 49120), (15350, 44336), (16300, 41752), (20876, 32600), (22168, 30700), (24560, 27710), (26080, 26095)]