72498840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 156115560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 83, 87, 116, 120, 145, 166, 174, 232, 249, 251, 290, 332, 348, 415, 435, 498, 502, 580, 664, 696, 753, 830, 870, 996, 1004, 1160, 1245, 1255, 1506, 1660, 1740, 1992, 2008, 2407, 2490, 2510, 3012, 3320, 3480, 3765, 4814, 4980, 5020, 6024, 7221, 7279, 7530, 9628, 9960, 10040, 12035, 14442, 14558, 15060, 19256, 20833, 21837, 24070, 28884, 29116, 30120, 36105, 36395, 41666, 43674, 48140, 57768, 58232, 62499, 72210, 72790, 83332, 87348, 96280, 104165, 109185, 124998, 144420, 145580, 166664, 174696, 208330, 218370, 249996, 288840, 291160, 312495, 416660, 436740, 499992, 604157, 624990, 833320, 873480, 1208314, 1249980, 1812471, 2416628, 2499960, 3020785, 3624942, 4833256, 6041570, 7249884, 9062355, 12083140, 14499768, 18124710, 24166280, 36249420, 72498840]

約数ペア:

[(1, 72498840), (2, 36249420), (3, 24166280), (4, 18124710), (5, 14499768), (6, 12083140), (8, 9062355), (10, 7249884), (12, 6041570), (15, 4833256), (20, 3624942), (24, 3020785), (29, 2499960), (30, 2416628), (40, 1812471), (58, 1249980), (60, 1208314), (83, 873480), (87, 833320), (116, 624990), (120, 604157), (145, 499992), (166, 436740), (174, 416660), (232, 312495), (249, 291160), (251, 288840), (290, 249996), (332, 218370), (348, 208330), (415, 174696), (435, 166664), (498, 145580), (502, 144420), (580, 124998), (664, 109185), (696, 104165), (753, 96280), (830, 87348), (870, 83332), (996, 72790), (1004, 72210), (1160, 62499), (1245, 58232), (1255, 57768), (1506, 48140), (1660, 43674), (1740, 41666), (1992, 36395), (2008, 36105), (2407, 30120), (2490, 29116), (2510, 28884), (3012, 24070), (3320, 21837), (3480, 20833), (3765, 19256), (4814, 15060), (4980, 14558), (5020, 14442), (6024, 12035), (7221, 10040), (7279, 9960), (7530, 9628)]