72898040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 113725960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 59, 68, 79, 85, 92, 115, 118, 136, 158, 170, 184, 230, 236, 295, 316, 340, 391, 395, 460, 472, 590, 632, 680, 782, 790, 920, 1003, 1180, 1343, 1357, 1564, 1580, 1817, 1955, 2006, 2360, 2686, 2714, 3128, 3160, 3634, 3910, 4012, 4661, 5015, 5372, 5428, 6715, 6785, 7268, 7820, 8024, 9085, 9322, 10030, 10744, 10856, 13430, 13570, 14536, 15640, 18170, 18644, 20060, 23069, 23305, 26860, 27140, 30889, 36340, 37288, 40120, 46138, 46610, 53720, 54280, 61778, 72680, 79237, 92276, 93220, 107203, 115345, 123556, 154445, 158474, 184552, 186440, 214406, 230690, 247112, 308890, 316948, 396185, 428812, 461380, 536015, 617780, 633896, 792370, 857624, 922760, 1072030, 1235560, 1584740, 1822451, 2144060, 3169480, 3644902, 4288120, 7289804, 9112255, 14579608, 18224510, 36449020, 72898040]

約数ペア:

[(1, 72898040), (2, 36449020), (4, 18224510), (5, 14579608), (8, 9112255), (10, 7289804), (17, 4288120), (20, 3644902), (23, 3169480), (34, 2144060), (40, 1822451), (46, 1584740), (59, 1235560), (68, 1072030), (79, 922760), (85, 857624), (92, 792370), (115, 633896), (118, 617780), (136, 536015), (158, 461380), (170, 428812), (184, 396185), (230, 316948), (236, 308890), (295, 247112), (316, 230690), (340, 214406), (391, 186440), (395, 184552), (460, 158474), (472, 154445), (590, 123556), (632, 115345), (680, 107203), (782, 93220), (790, 92276), (920, 79237), (1003, 72680), (1180, 61778), (1343, 54280), (1357, 53720), (1564, 46610), (1580, 46138), (1817, 40120), (1955, 37288), (2006, 36340), (2360, 30889), (2686, 27140), (2714, 26860), (3128, 23305), (3160, 23069), (3634, 20060), (3910, 18644), (4012, 18170), (4661, 15640), (5015, 14536), (5372, 13570), (5428, 13430), (6715, 10856), (6785, 10744), (7268, 10030), (7820, 9322), (8024, 9085)]