31142940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 90660864

約数和(自身を除く): 59517924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 67, 122, 127, 134, 183, 201, 244, 254, 268, 305, 335, 366, 381, 402, 508, 610, 635, 670, 732, 762, 804, 915, 1005, 1220, 1270, 1340, 1524, 1830, 1905, 2010, 2540, 3660, 3810, 4020, 4087, 7620, 7747, 8174, 8509, 12261, 15494, 16348, 17018, 20435, 23241, 24522, 25527, 30988, 34036, 38735, 40870, 42545, 46482, 49044, 51054, 61305, 77470, 81740, 85090, 92964, 102108, 116205, 122610, 127635, 154940, 170180, 232410, 245220, 255270, 464820, 510540, 519049, 1038098, 1557147, 2076196, 2595245, 3114294, 5190490, 6228588, 7785735, 10380980, 15571470, 31142940]

約数ペア:

[(1, 31142940), (2, 15571470), (3, 10380980), (4, 7785735), (5, 6228588), (6, 5190490), (10, 3114294), (12, 2595245), (15, 2076196), (20, 1557147), (30, 1038098), (60, 519049), (61, 510540), (67, 464820), (122, 255270), (127, 245220), (134, 232410), (183, 170180), (201, 154940), (244, 127635), (254, 122610), (268, 116205), (305, 102108), (335, 92964), (366, 85090), (381, 81740), (402, 77470), (508, 61305), (610, 51054), (635, 49044), (670, 46482), (732, 42545), (762, 40870), (804, 38735), (915, 34036), (1005, 30988), (1220, 25527), (1270, 24522), (1340, 23241), (1524, 20435), (1830, 17018), (1905, 16348), (2010, 15494), (2540, 12261), (3660, 8509), (3810, 8174), (4020, 7747), (4087, 7620)]