123662720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 319610880

約数和(自身を除く): 195948160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 271, 310, 320, 368, 460, 496, 542, 620, 640, 713, 736, 920, 992, 1084, 1240, 1355, 1426, 1472, 1840, 1984, 2168, 2480, 2710, 2852, 2944, 3565, 3680, 3968, 4336, 4960, 5420, 5704, 6233, 7130, 7360, 8401, 8672, 9920, 10840, 11408, 12466, 14260, 14720, 16802, 17344, 19840, 21680, 22816, 24932, 28520, 31165, 33604, 34688, 42005, 43360, 45632, 49864, 57040, 62330, 67208, 84010, 86720, 91264, 99728, 114080, 124660, 134416, 168020, 173440, 193223, 199456, 228160, 249320, 268832, 336040, 386446, 398912, 456320, 498640, 537664, 672080, 772892, 797824, 966115, 997280, 1075328, 1344160, 1545784, 1932230, 1994560, 2688320, 3091568, 3864460, 3989120, 5376640, 6183136, 7728920, 12366272, 15457840, 24732544, 30915680, 61831360, 123662720]

約数ペア:

[(1, 123662720), (2, 61831360), (4, 30915680), (5, 24732544), (8, 15457840), (10, 12366272), (16, 7728920), (20, 6183136), (23, 5376640), (31, 3989120), (32, 3864460), (40, 3091568), (46, 2688320), (62, 1994560), (64, 1932230), (80, 1545784), (92, 1344160), (115, 1075328), (124, 997280), (128, 966115), (155, 797824), (160, 772892), (184, 672080), (230, 537664), (248, 498640), (271, 456320), (310, 398912), (320, 386446), (368, 336040), (460, 268832), (496, 249320), (542, 228160), (620, 199456), (640, 193223), (713, 173440), (736, 168020), (920, 134416), (992, 124660), (1084, 114080), (1240, 99728), (1355, 91264), (1426, 86720), (1472, 84010), (1840, 67208), (1984, 62330), (2168, 57040), (2480, 49864), (2710, 45632), (2852, 43360), (2944, 42005), (3565, 34688), (3680, 33604), (3968, 31165), (4336, 28520), (4960, 24932), (5420, 22816), (5704, 21680), (6233, 19840), (7130, 17344), (7360, 16802), (8401, 14720), (8672, 14260), (9920, 12466), (10840, 11408)]