71456440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 191056320

約数和(自身を除く): 119599880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 187, 205, 220, 233, 328, 340, 374, 410, 440, 451, 466, 680, 697, 748, 820, 902, 932, 935, 1165, 1394, 1496, 1640, 1804, 1864, 1870, 2255, 2330, 2563, 2788, 3485, 3608, 3740, 3961, 4510, 4660, 5126, 5576, 6970, 7480, 7667, 7922, 9020, 9320, 9553, 10252, 12815, 13940, 15334, 15844, 18040, 19106, 19805, 20504, 25630, 27880, 30668, 31688, 38212, 38335, 39610, 43571, 47765, 51260, 61336, 76424, 76670, 79220, 87142, 95530, 102520, 105083, 153340, 158440, 162401, 174284, 191060, 210166, 217855, 306680, 324802, 348568, 382120, 420332, 435710, 525415, 649604, 812005, 840664, 871420, 1050830, 1299208, 1624010, 1742840, 1786411, 2101660, 3248020, 3572822, 4203320, 6496040, 7145644, 8932055, 14291288, 17864110, 35728220, 71456440]

約数ペア:

[(1, 71456440), (2, 35728220), (4, 17864110), (5, 14291288), (8, 8932055), (10, 7145644), (11, 6496040), (17, 4203320), (20, 3572822), (22, 3248020), (34, 2101660), (40, 1786411), (41, 1742840), (44, 1624010), (55, 1299208), (68, 1050830), (82, 871420), (85, 840664), (88, 812005), (110, 649604), (136, 525415), (164, 435710), (170, 420332), (187, 382120), (205, 348568), (220, 324802), (233, 306680), (328, 217855), (340, 210166), (374, 191060), (410, 174284), (440, 162401), (451, 158440), (466, 153340), (680, 105083), (697, 102520), (748, 95530), (820, 87142), (902, 79220), (932, 76670), (935, 76424), (1165, 61336), (1394, 51260), (1496, 47765), (1640, 43571), (1804, 39610), (1864, 38335), (1870, 38212), (2255, 31688), (2330, 30668), (2563, 27880), (2788, 25630), (3485, 20504), (3608, 19805), (3740, 19106), (3961, 18040), (4510, 15844), (4660, 15334), (5126, 13940), (5576, 12815), (6970, 10252), (7480, 9553), (7667, 9320), (7922, 9020)]