245956920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 808704000

約数和(自身を除く): 562747080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 389, 440, 479, 660, 778, 958, 1167, 1320, 1437, 1556, 1916, 1945, 2334, 2395, 2874, 3112, 3832, 3890, 4279, 4668, 4790, 5269, 5748, 5835, 7185, 7780, 8558, 9336, 9580, 10538, 11496, 11670, 12837, 14370, 15560, 15807, 17116, 19160, 21076, 21395, 23340, 25674, 26345, 28740, 31614, 34232, 42152, 42790, 46680, 51348, 52690, 57480, 63228, 64185, 79035, 85580, 102696, 105380, 126456, 128370, 158070, 171160, 186331, 210760, 256740, 316140, 372662, 513480, 558993, 632280, 745324, 931655, 1117986, 1490648, 1863310, 2049641, 2235972, 2794965, 3726620, 4099282, 4471944, 5589930, 6148923, 7453240, 8198564, 10248205, 11179860, 12297846, 16397128, 20496410, 22359720, 24595692, 30744615, 40992820, 49191384, 61489230, 81985640, 122978460, 245956920]

約数ペア:

[(1, 245956920), (2, 122978460), (3, 81985640), (4, 61489230), (5, 49191384), (6, 40992820), (8, 30744615), (10, 24595692), (11, 22359720), (12, 20496410), (15, 16397128), (20, 12297846), (22, 11179860), (24, 10248205), (30, 8198564), (33, 7453240), (40, 6148923), (44, 5589930), (55, 4471944), (60, 4099282), (66, 3726620), (88, 2794965), (110, 2235972), (120, 2049641), (132, 1863310), (165, 1490648), (220, 1117986), (264, 931655), (330, 745324), (389, 632280), (440, 558993), (479, 513480), (660, 372662), (778, 316140), (958, 256740), (1167, 210760), (1320, 186331), (1437, 171160), (1556, 158070), (1916, 128370), (1945, 126456), (2334, 105380), (2395, 102696), (2874, 85580), (3112, 79035), (3832, 64185), (3890, 63228), (4279, 57480), (4668, 52690), (4790, 51348), (5269, 46680), (5748, 42790), (5835, 42152), (7185, 34232), (7780, 31614), (8558, 28740), (9336, 26345), (9580, 25674), (10538, 23340), (11496, 21395), (11670, 21076), (12837, 19160), (14370, 17116), (15560, 15807)]