128662020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 120

約数和(自身を含む): 413227584

約数和(自身を除く): 284565564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1161, 1290, 1548, 1620, 1847, 1935, 2322, 2580, 3483, 3694, 3870, 4644, 5541, 5805, 6966, 7388, 7740, 9235, 11082, 11610, 13932, 16623, 17415, 18470, 22164, 23220, 27705, 33246, 34830, 36940, 49869, 55410, 66492, 69660, 79421, 83115, 99738, 110820, 149607, 158842, 166230, 199476, 238263, 249345, 299214, 317684, 332460, 397105, 476526, 498690, 598428, 714789, 748035, 794210, 953052, 997380, 1191315, 1429578, 1496070, 1588420, 2144367, 2382630, 2859156, 2992140, 3573945, 4288734, 4765260, 6433101, 7147890, 8577468, 10721835, 12866202, 14295780, 21443670, 25732404, 32165505, 42887340, 64331010, 128662020]

約数ペア:

[(1, 128662020), (2, 64331010), (3, 42887340), (4, 32165505), (5, 25732404), (6, 21443670), (9, 14295780), (10, 12866202), (12, 10721835), (15, 8577468), (18, 7147890), (20, 6433101), (27, 4765260), (30, 4288734), (36, 3573945), (43, 2992140), (45, 2859156), (54, 2382630), (60, 2144367), (81, 1588420), (86, 1496070), (90, 1429578), (108, 1191315), (129, 997380), (135, 953052), (162, 794210), (172, 748035), (180, 714789), (215, 598428), (258, 498690), (270, 476526), (324, 397105), (387, 332460), (405, 317684), (430, 299214), (516, 249345), (540, 238263), (645, 199476), (774, 166230), (810, 158842), (860, 149607), (1161, 110820), (1290, 99738), (1548, 83115), (1620, 79421), (1847, 69660), (1935, 66492), (2322, 55410), (2580, 49869), (3483, 36940), (3694, 34830), (3870, 33246), (4644, 27705), (5541, 23220), (5805, 22164), (6966, 18470), (7388, 17415), (7740, 16623), (9235, 13932), (11082, 11610)]