1638120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 5754240

約数和(自身を除く): 4116120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 73, 85, 88, 102, 110, 120, 132, 136, 146, 165, 170, 187, 204, 219, 220, 255, 264, 292, 330, 340, 365, 374, 408, 438, 440, 510, 561, 584, 660, 680, 730, 748, 803, 876, 935, 1020, 1095, 1122, 1241, 1320, 1460, 1496, 1606, 1752, 1870, 2040, 2190, 2244, 2409, 2482, 2805, 2920, 3212, 3723, 3740, 4015, 4380, 4488, 4818, 4964, 5610, 6205, 6424, 7446, 7480, 8030, 8760, 9636, 9928, 11220, 12045, 12410, 13651, 14892, 16060, 18615, 19272, 22440, 24090, 24820, 27302, 29784, 32120, 37230, 40953, 48180, 49640, 54604, 68255, 74460, 81906, 96360, 109208, 136510, 148920, 163812, 204765, 273020, 327624, 409530, 546040, 819060, 1638120]

約数ペア:

[(1, 1638120), (2, 819060), (3, 546040), (4, 409530), (5, 327624), (6, 273020), (8, 204765), (10, 163812), (11, 148920), (12, 136510), (15, 109208), (17, 96360), (20, 81906), (22, 74460), (24, 68255), (30, 54604), (33, 49640), (34, 48180), (40, 40953), (44, 37230), (51, 32120), (55, 29784), (60, 27302), (66, 24820), (68, 24090), (73, 22440), (85, 19272), (88, 18615), (102, 16060), (110, 14892), (120, 13651), (132, 12410), (136, 12045), (146, 11220), (165, 9928), (170, 9636), (187, 8760), (204, 8030), (219, 7480), (220, 7446), (255, 6424), (264, 6205), (292, 5610), (330, 4964), (340, 4818), (365, 4488), (374, 4380), (408, 4015), (438, 3740), (440, 3723), (510, 3212), (561, 2920), (584, 2805), (660, 2482), (680, 2409), (730, 2244), (748, 2190), (803, 2040), (876, 1870), (935, 1752), (1020, 1606), (1095, 1496), (1122, 1460), (1241, 1320)]