123315920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 120

約数和(自身を含む): 355084416

約数和(自身を除く): 231768496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 1040, 1183, 1303, 1352, 1456, 1690, 1820, 2366, 2606, 2704, 3380, 3640, 4732, 5212, 5915, 6515, 6760, 7280, 9121, 9464, 10424, 11830, 13030, 13520, 16939, 18242, 18928, 20848, 23660, 26060, 33878, 36484, 45605, 47320, 52120, 67756, 72968, 84695, 91210, 94640, 104240, 118573, 135512, 145936, 169390, 182420, 220207, 237146, 271024, 338780, 364840, 440414, 474292, 592865, 677560, 729680, 880828, 948584, 1101035, 1185730, 1355120, 1541449, 1761656, 1897168, 2202070, 2371460, 3082898, 3523312, 4404140, 4742920, 6165796, 7707245, 8808280, 9485840, 12331592, 15414490, 17616560, 24663184, 30828980, 61657960, 123315920]

約数ペア:

[(1, 123315920), (2, 61657960), (4, 30828980), (5, 24663184), (7, 17616560), (8, 15414490), (10, 12331592), (13, 9485840), (14, 8808280), (16, 7707245), (20, 6165796), (26, 4742920), (28, 4404140), (35, 3523312), (40, 3082898), (52, 2371460), (56, 2202070), (65, 1897168), (70, 1761656), (80, 1541449), (91, 1355120), (104, 1185730), (112, 1101035), (130, 948584), (140, 880828), (169, 729680), (182, 677560), (208, 592865), (260, 474292), (280, 440414), (338, 364840), (364, 338780), (455, 271024), (520, 237146), (560, 220207), (676, 182420), (728, 169390), (845, 145936), (910, 135512), (1040, 118573), (1183, 104240), (1303, 94640), (1352, 91210), (1456, 84695), (1690, 72968), (1820, 67756), (2366, 52120), (2606, 47320), (2704, 45605), (3380, 36484), (3640, 33878), (4732, 26060), (5212, 23660), (5915, 20848), (6515, 18928), (6760, 18242), (7280, 16939), (9121, 13520), (9464, 13030), (10424, 11830)]