128083440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31393}}^1$

素因数の和:31426

約数の個数: 80

約数和(自身を含む): 420428448

約数和(自身を除く): 292345008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 31393, 62786, 94179, 125572, 156965, 188358, 251144, 313930, 376716, 470895, 502288, 533681, 627860, 753432, 941790, 1067362, 1255720, 1506864, 1601043, 1883580, 2134724, 2511440, 2668405, 3202086, 3767160, 4269448, 5336810, 6404172, 7534320, 8005215, 8538896, 10673620, 12808344, 16010430, 21347240, 25616688, 32020860, 42694480, 64041720, 128083440]

約数ペア:

[(1, 128083440), (2, 64041720), (3, 42694480), (4, 32020860), (5, 25616688), (6, 21347240), (8, 16010430), (10, 12808344), (12, 10673620), (15, 8538896), (16, 8005215), (17, 7534320), (20, 6404172), (24, 5336810), (30, 4269448), (34, 3767160), (40, 3202086), (48, 2668405), (51, 2511440), (60, 2134724), (68, 1883580), (80, 1601043), (85, 1506864), (102, 1255720), (120, 1067362), (136, 941790), (170, 753432), (204, 627860), (240, 533681), (255, 502288), (272, 470895), (340, 376716), (408, 313930), (510, 251144), (680, 188358), (816, 156965), (1020, 125572), (1360, 94179), (2040, 62786), (4080, 31393)]