131964840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{7481}}^1$

素因数の和:7512

約数の個数: 144

約数和(自身を含む): 498974580

約数和(自身を除く): 367009740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 7481, 8820, 14962, 17640, 22443, 29924, 37405, 44886, 52367, 59848, 67329, 74810, 89772, 104734, 112215, 134658, 149620, 157101, 179544, 209468, 224430, 261835, 269316, 299240, 314202, 336645, 366569, 418936, 448860, 471303, 523670, 538632, 628404, 673290, 733138, 785505, 897720, 942606, 1047340, 1099707, 1256808, 1346580, 1466276, 1571010, 1832845, 1885212, 2094680, 2199414, 2356515, 2693160, 2932552, 3142020, 3299121, 3665690, 3770424, 4398828, 4713030, 5498535, 6284040, 6598242, 7331380, 8797656, 9426060, 10997070, 13196484, 14662760, 16495605, 18852120, 21994140, 26392968, 32991210, 43988280, 65982420, 131964840]

約数ペア:

[(1, 131964840), (2, 65982420), (3, 43988280), (4, 32991210), (5, 26392968), (6, 21994140), (7, 18852120), (8, 16495605), (9, 14662760), (10, 13196484), (12, 10997070), (14, 9426060), (15, 8797656), (18, 7331380), (20, 6598242), (21, 6284040), (24, 5498535), (28, 4713030), (30, 4398828), (35, 3770424), (36, 3665690), (40, 3299121), (42, 3142020), (45, 2932552), (49, 2693160), (56, 2356515), (60, 2199414), (63, 2094680), (70, 1885212), (72, 1832845), (84, 1571010), (90, 1466276), (98, 1346580), (105, 1256808), (120, 1099707), (126, 1047340), (140, 942606), (147, 897720), (168, 785505), (180, 733138), (196, 673290), (210, 628404), (245, 538632), (252, 523670), (280, 471303), (294, 448860), (315, 418936), (360, 366569), (392, 336645), (420, 314202), (441, 299240), (490, 269316), (504, 261835), (588, 224430), (630, 209468), (735, 179544), (840, 157101), (882, 149620), (980, 134658), (1176, 112215), (1260, 104734), (1470, 89772), (1764, 74810), (1960, 67329), (2205, 59848), (2520, 52367), (2940, 44886), (3528, 37405), (4410, 29924), (5880, 22443), (7481, 17640), (8820, 14962)]