81853320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 262103040

約数和(自身を除く): 180249720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 631, 690, 705, 920, 940, 1081, 1128, 1262, 1380, 1410, 1880, 1893, 2162, 2524, 2760, 2820, 3155, 3243, 3786, 4324, 5048, 5405, 5640, 6310, 6486, 7572, 8648, 9465, 10810, 12620, 12972, 14513, 15144, 16215, 18930, 21620, 25240, 25944, 29026, 29657, 32430, 37860, 43240, 43539, 58052, 59314, 64860, 72565, 75720, 87078, 88971, 116104, 118628, 129720, 145130, 148285, 174156, 177942, 217695, 237256, 290260, 296570, 348312, 355884, 435390, 444855, 580520, 593140, 682111, 711768, 870780, 889710, 1186280, 1364222, 1741560, 1779420, 2046333, 2728444, 3410555, 3558840, 4092666, 5456888, 6821110, 8185332, 10231665, 13642220, 16370664, 20463330, 27284440, 40926660, 81853320]

約数ペア:

[(1, 81853320), (2, 40926660), (3, 27284440), (4, 20463330), (5, 16370664), (6, 13642220), (8, 10231665), (10, 8185332), (12, 6821110), (15, 5456888), (20, 4092666), (23, 3558840), (24, 3410555), (30, 2728444), (40, 2046333), (46, 1779420), (47, 1741560), (60, 1364222), (69, 1186280), (92, 889710), (94, 870780), (115, 711768), (120, 682111), (138, 593140), (141, 580520), (184, 444855), (188, 435390), (230, 355884), (235, 348312), (276, 296570), (282, 290260), (345, 237256), (376, 217695), (460, 177942), (470, 174156), (552, 148285), (564, 145130), (631, 129720), (690, 118628), (705, 116104), (920, 88971), (940, 87078), (1081, 75720), (1128, 72565), (1262, 64860), (1380, 59314), (1410, 58052), (1880, 43539), (1893, 43240), (2162, 37860), (2524, 32430), (2760, 29657), (2820, 29026), (3155, 25944), (3243, 25240), (3786, 21620), (4324, 18930), (5048, 16215), (5405, 15144), (5640, 14513), (6310, 12972), (6486, 12620), (7572, 10810), (8648, 9465)]