31295440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 82822824

約数和(自身を除く): 51527384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 61, 80, 88, 106, 110, 121, 122, 176, 212, 220, 242, 244, 265, 305, 424, 440, 484, 488, 530, 583, 605, 610, 671, 848, 880, 968, 976, 1060, 1166, 1210, 1220, 1342, 1936, 2120, 2332, 2420, 2440, 2684, 2915, 3233, 3355, 4240, 4664, 4840, 4880, 5368, 5830, 6413, 6466, 6710, 7381, 9328, 9680, 10736, 11660, 12826, 12932, 13420, 14762, 16165, 23320, 25652, 25864, 26840, 29524, 32065, 32330, 35563, 36905, 46640, 51304, 51728, 53680, 59048, 64130, 64660, 71126, 73810, 102608, 118096, 128260, 129320, 142252, 147620, 177815, 256520, 258640, 284504, 295240, 355630, 391193, 513040, 569008, 590480, 711260, 782386, 1422520, 1564772, 1955965, 2845040, 3129544, 3911930, 6259088, 7823860, 15647720, 31295440]

約数ペア:

[(1, 31295440), (2, 15647720), (4, 7823860), (5, 6259088), (8, 3911930), (10, 3129544), (11, 2845040), (16, 1955965), (20, 1564772), (22, 1422520), (40, 782386), (44, 711260), (53, 590480), (55, 569008), (61, 513040), (80, 391193), (88, 355630), (106, 295240), (110, 284504), (121, 258640), (122, 256520), (176, 177815), (212, 147620), (220, 142252), (242, 129320), (244, 128260), (265, 118096), (305, 102608), (424, 73810), (440, 71126), (484, 64660), (488, 64130), (530, 59048), (583, 53680), (605, 51728), (610, 51304), (671, 46640), (848, 36905), (880, 35563), (968, 32330), (976, 32065), (1060, 29524), (1166, 26840), (1210, 25864), (1220, 25652), (1342, 23320), (1936, 16165), (2120, 14762), (2332, 13420), (2420, 12932), (2440, 12826), (2684, 11660), (2915, 10736), (3233, 9680), (3355, 9328), (4240, 7381), (4664, 6710), (4840, 6466), (4880, 6413), (5368, 5830)]