31908120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 101476800

約数和(自身を除く): 69568680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 53, 58, 60, 87, 106, 116, 120, 145, 159, 173, 174, 212, 232, 265, 290, 318, 346, 348, 424, 435, 519, 530, 580, 636, 692, 696, 795, 865, 870, 1038, 1060, 1160, 1272, 1384, 1537, 1590, 1730, 1740, 2076, 2120, 2595, 3074, 3180, 3460, 3480, 4152, 4611, 5017, 5190, 6148, 6360, 6920, 7685, 9169, 9222, 10034, 10380, 12296, 15051, 15370, 18338, 18444, 20068, 20760, 23055, 25085, 27507, 30102, 30740, 36676, 36888, 40136, 45845, 46110, 50170, 55014, 60204, 61480, 73352, 75255, 91690, 92220, 100340, 110028, 120408, 137535, 150510, 183380, 184440, 200680, 220056, 265901, 275070, 301020, 366760, 531802, 550140, 602040, 797703, 1063604, 1100280, 1329505, 1595406, 2127208, 2659010, 3190812, 3988515, 5318020, 6381624, 7977030, 10636040, 15954060, 31908120]

約数ペア:

[(1, 31908120), (2, 15954060), (3, 10636040), (4, 7977030), (5, 6381624), (6, 5318020), (8, 3988515), (10, 3190812), (12, 2659010), (15, 2127208), (20, 1595406), (24, 1329505), (29, 1100280), (30, 1063604), (40, 797703), (53, 602040), (58, 550140), (60, 531802), (87, 366760), (106, 301020), (116, 275070), (120, 265901), (145, 220056), (159, 200680), (173, 184440), (174, 183380), (212, 150510), (232, 137535), (265, 120408), (290, 110028), (318, 100340), (346, 92220), (348, 91690), (424, 75255), (435, 73352), (519, 61480), (530, 60204), (580, 55014), (636, 50170), (692, 46110), (696, 45845), (795, 40136), (865, 36888), (870, 36676), (1038, 30740), (1060, 30102), (1160, 27507), (1272, 25085), (1384, 23055), (1537, 20760), (1590, 20068), (1730, 18444), (1740, 18338), (2076, 15370), (2120, 15051), (2595, 12296), (3074, 10380), (3180, 10034), (3460, 9222), (3480, 9169), (4152, 7685), (4611, 6920), (5017, 6360), (5190, 6148)]