128257380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11681}}^1$

素因数の和:11757

約数の個数: 72

約数和(自身を含む): 395459064

約数和(自身を除く): 267201684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11681, 23362, 35043, 46724, 58405, 70086, 105129, 116810, 140172, 175215, 210258, 233620, 350430, 420516, 525645, 700860, 712541, 1051290, 1425082, 2102580, 2137623, 2850164, 3562705, 4275246, 6412869, 7125410, 8550492, 10688115, 12825738, 14250820, 21376230, 25651476, 32064345, 42752460, 64128690, 128257380]

約数ペア:

[(1, 128257380), (2, 64128690), (3, 42752460), (4, 32064345), (5, 25651476), (6, 21376230), (9, 14250820), (10, 12825738), (12, 10688115), (15, 8550492), (18, 7125410), (20, 6412869), (30, 4275246), (36, 3562705), (45, 2850164), (60, 2137623), (61, 2102580), (90, 1425082), (122, 1051290), (180, 712541), (183, 700860), (244, 525645), (305, 420516), (366, 350430), (549, 233620), (610, 210258), (732, 175215), (915, 140172), (1098, 116810), (1220, 105129), (1830, 70086), (2196, 58405), (2745, 46724), (3660, 35043), (5490, 23362), (10980, 11681)]