149873920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 420900480

約数和(自身を除く): 271026560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 389, 430, 448, 560, 602, 640, 688, 778, 860, 896, 1120, 1204, 1280, 1376, 1505, 1556, 1720, 1792, 1945, 2240, 2408, 2723, 2752, 3010, 3112, 3440, 3890, 4480, 4816, 5446, 5504, 6020, 6224, 6880, 7780, 8960, 9632, 10892, 11008, 12040, 12448, 13615, 13760, 15560, 16727, 19264, 21784, 24080, 24896, 27230, 27520, 31120, 33454, 38528, 43568, 48160, 49792, 54460, 55040, 62240, 66908, 77056, 83635, 87136, 96320, 99584, 108920, 117089, 124480, 133816, 167270, 174272, 192640, 217840, 234178, 248960, 267632, 334540, 348544, 385280, 435680, 468356, 497920, 535264, 585445, 669080, 697088, 871360, 936712, 1070528, 1170890, 1338160, 1742720, 1873424, 2141056, 2341780, 2676320, 3485440, 3746848, 4282112, 4683560, 5352640, 7493696, 9367120, 10705280, 14987392, 18734240, 21410560, 29974784, 37468480, 74936960, 149873920]

約数ペア:

[(1, 149873920), (2, 74936960), (4, 37468480), (5, 29974784), (7, 21410560), (8, 18734240), (10, 14987392), (14, 10705280), (16, 9367120), (20, 7493696), (28, 5352640), (32, 4683560), (35, 4282112), (40, 3746848), (43, 3485440), (56, 2676320), (64, 2341780), (70, 2141056), (80, 1873424), (86, 1742720), (112, 1338160), (128, 1170890), (140, 1070528), (160, 936712), (172, 871360), (215, 697088), (224, 669080), (256, 585445), (280, 535264), (301, 497920), (320, 468356), (344, 435680), (389, 385280), (430, 348544), (448, 334540), (560, 267632), (602, 248960), (640, 234178), (688, 217840), (778, 192640), (860, 174272), (896, 167270), (1120, 133816), (1204, 124480), (1280, 117089), (1376, 108920), (1505, 99584), (1556, 96320), (1720, 87136), (1792, 83635), (1945, 77056), (2240, 66908), (2408, 62240), (2723, 55040), (2752, 54460), (3010, 49792), (3112, 48160), (3440, 43568), (3890, 38528), (4480, 33454), (4816, 31120), (5446, 27520), (5504, 27230), (6020, 24896), (6224, 24080), (6880, 21784), (7780, 19264), (8960, 16727), (9632, 15560), (10892, 13760), (11008, 13615), (12040, 12448)]