80565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 259899840

約数和(自身を除く): 179334120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 541, 584, 680, 730, 876, 1020, 1082, 1095, 1241, 1460, 1623, 1752, 2040, 2164, 2190, 2482, 2705, 2920, 3246, 3723, 4328, 4380, 4964, 5410, 6205, 6492, 7446, 8115, 8760, 9197, 9928, 10820, 12410, 12984, 14892, 16230, 18394, 18615, 21640, 24820, 27591, 29784, 32460, 36788, 37230, 39493, 45985, 49640, 55182, 64920, 73576, 74460, 78986, 91970, 110364, 118479, 137955, 148920, 157972, 183940, 197465, 220728, 236958, 275910, 315944, 367880, 394930, 473916, 551820, 592395, 671381, 789860, 947832, 1103640, 1184790, 1342762, 1579720, 2014143, 2369580, 2685524, 3356905, 4028286, 4739160, 5371048, 6713810, 8056572, 10070715, 13427620, 16113144, 20141430, 26855240, 40282860, 80565720]

約数ペア:

[(1, 80565720), (2, 40282860), (3, 26855240), (4, 20141430), (5, 16113144), (6, 13427620), (8, 10070715), (10, 8056572), (12, 6713810), (15, 5371048), (17, 4739160), (20, 4028286), (24, 3356905), (30, 2685524), (34, 2369580), (40, 2014143), (51, 1579720), (60, 1342762), (68, 1184790), (73, 1103640), (85, 947832), (102, 789860), (120, 671381), (136, 592395), (146, 551820), (170, 473916), (204, 394930), (219, 367880), (255, 315944), (292, 275910), (340, 236958), (365, 220728), (408, 197465), (438, 183940), (510, 157972), (541, 148920), (584, 137955), (680, 118479), (730, 110364), (876, 91970), (1020, 78986), (1082, 74460), (1095, 73576), (1241, 64920), (1460, 55182), (1623, 49640), (1752, 45985), (2040, 39493), (2164, 37230), (2190, 36788), (2482, 32460), (2705, 29784), (2920, 27591), (3246, 24820), (3723, 21640), (4328, 18615), (4380, 18394), (4964, 16230), (5410, 14892), (6205, 12984), (6492, 12410), (7446, 10820), (8115, 9928), (8760, 9197)]