71408040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 238878720

約数和(自身を除く): 167470680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1151, 1320, 1410, 1551, 1880, 2068, 2302, 2585, 2820, 3102, 3453, 4136, 4604, 5170, 5640, 5755, 6204, 6906, 7755, 9208, 10340, 11510, 12408, 12661, 13812, 15510, 17265, 20680, 23020, 25322, 27624, 31020, 34530, 37983, 46040, 50644, 54097, 62040, 63305, 69060, 75966, 101288, 108194, 126610, 138120, 151932, 162291, 189915, 216388, 253220, 270485, 303864, 324582, 379830, 432776, 506440, 540970, 595067, 649164, 759660, 811455, 1081940, 1190134, 1298328, 1519320, 1622910, 1785201, 2163880, 2380268, 2975335, 3245820, 3570402, 4760536, 5950670, 6491640, 7140804, 8926005, 11901340, 14281608, 17852010, 23802680, 35704020, 71408040]

約数ペア:

[(1, 71408040), (2, 35704020), (3, 23802680), (4, 17852010), (5, 14281608), (6, 11901340), (8, 8926005), (10, 7140804), (11, 6491640), (12, 5950670), (15, 4760536), (20, 3570402), (22, 3245820), (24, 2975335), (30, 2380268), (33, 2163880), (40, 1785201), (44, 1622910), (47, 1519320), (55, 1298328), (60, 1190134), (66, 1081940), (88, 811455), (94, 759660), (110, 649164), (120, 595067), (132, 540970), (141, 506440), (165, 432776), (188, 379830), (220, 324582), (235, 303864), (264, 270485), (282, 253220), (330, 216388), (376, 189915), (440, 162291), (470, 151932), (517, 138120), (564, 126610), (660, 108194), (705, 101288), (940, 75966), (1034, 69060), (1128, 63305), (1151, 62040), (1320, 54097), (1410, 50644), (1551, 46040), (1880, 37983), (2068, 34530), (2302, 31020), (2585, 27624), (2820, 25322), (3102, 23020), (3453, 20680), (4136, 17265), (4604, 15510), (5170, 13812), (5640, 12661), (5755, 12408), (6204, 11510), (6906, 10340), (7755, 9208)]