128133540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22963}}^1$

素因数の和:23009

約数の個数: 72

約数和(自身を含む): 401227008

約数和(自身を除く): 273093468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 22963, 45926, 68889, 91852, 114815, 137778, 206667, 229630, 275556, 344445, 413334, 459260, 688890, 711853, 826668, 1033335, 1377780, 1423706, 2066670, 2135559, 2847412, 3559265, 4133340, 4271118, 6406677, 7118530, 8542236, 10677795, 12813354, 14237060, 21355590, 25626708, 32033385, 42711180, 64066770, 128133540]

約数ペア:

[(1, 128133540), (2, 64066770), (3, 42711180), (4, 32033385), (5, 25626708), (6, 21355590), (9, 14237060), (10, 12813354), (12, 10677795), (15, 8542236), (18, 7118530), (20, 6406677), (30, 4271118), (31, 4133340), (36, 3559265), (45, 2847412), (60, 2135559), (62, 2066670), (90, 1423706), (93, 1377780), (124, 1033335), (155, 826668), (180, 711853), (186, 688890), (279, 459260), (310, 413334), (372, 344445), (465, 275556), (558, 229630), (620, 206667), (930, 137778), (1116, 114815), (1395, 91852), (1860, 68889), (2790, 45926), (5580, 22963)]