31496520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 73012920

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, 107, 110, 120, 132, 165, 214, 220, 223, 264, 321, 330, 428, 440, 446, 535, 642, 660, 669, 856, 892, 1070, 1115, 1177, 1284, 1320, 1338, 1605, 1784, 2140, 2230, 2354, 2453, 2568, 2676, 3210, 3345, 3531, 4280, 4460, 4708, 4906, 5352, 5885, 6420, 6690, 7062, 7359, 8920, 9416, 9812, 11770, 12265, 12840, 13380, 14124, 14718, 17655, 19624, 23540, 23861, 24530, 26760, 28248, 29436, 35310, 36795, 47080, 47722, 49060, 58872, 70620, 71583, 73590, 95444, 98120, 119305, 141240, 143166, 147180, 190888, 238610, 262471, 286332, 294360, 357915, 477220, 524942, 572664, 715830, 787413, 954440, 1049884, 1312355, 1431660, 1574826, 2099768, 2624710, 2863320, 3149652, 3937065, 5249420, 6299304, 7874130, 10498840, 15748260, 31496520]

約数ペア:

[(1, 31496520), (2, 15748260), (3, 10498840), (4, 7874130), (5, 6299304), (6, 5249420), (8, 3937065), (10, 3149652), (11, 2863320), (12, 2624710), (15, 2099768), (20, 1574826), (22, 1431660), (24, 1312355), (30, 1049884), (33, 954440), (40, 787413), (44, 715830), (55, 572664), (60, 524942), (66, 477220), (88, 357915), (107, 294360), (110, 286332), (120, 262471), (132, 238610), (165, 190888), (214, 147180), (220, 143166), (223, 141240), (264, 119305), (321, 98120), (330, 95444), (428, 73590), (440, 71583), (446, 70620), (535, 58872), (642, 49060), (660, 47722), (669, 47080), (856, 36795), (892, 35310), (1070, 29436), (1115, 28248), (1177, 26760), (1284, 24530), (1320, 23861), (1338, 23540), (1605, 19624), (1784, 17655), (2140, 14718), (2230, 14124), (2354, 13380), (2453, 12840), (2568, 12265), (2676, 11770), (3210, 9812), (3345, 9416), (3531, 8920), (4280, 7359), (4460, 7062), (4708, 6690), (4906, 6420), (5352, 5885)]