440884480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1120831488

約数和(自身を除く): 679947008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 271, 310, 320, 328, 410, 496, 542, 620, 640, 656, 820, 992, 1084, 1240, 1271, 1280, 1312, 1355, 1640, 1984, 2168, 2480, 2542, 2624, 2710, 3280, 3968, 4336, 4960, 5084, 5248, 5420, 6355, 6560, 7936, 8401, 8672, 9920, 10168, 10496, 10840, 11111, 12710, 13120, 16802, 17344, 19840, 20336, 21680, 22222, 25420, 26240, 33604, 34688, 39680, 40672, 42005, 43360, 44444, 50840, 52480, 55555, 67208, 69376, 81344, 84010, 86720, 88888, 101680, 111110, 134416, 162688, 168020, 173440, 177776, 203360, 222220, 268832, 325376, 336040, 344441, 346880, 355552, 406720, 444440, 537664, 672080, 688882, 711104, 813440, 888880, 1075328, 1344160, 1377764, 1422208, 1626880, 1722205, 1777760, 2150656, 2688320, 2755528, 2844416, 3444410, 3555520, 5376640, 5511056, 6888820, 7111040, 10753280, 11022112, 13777640, 14222080, 22044224, 27555280, 44088448, 55110560, 88176896, 110221120, 220442240, 440884480]

約数ペア:

[(1, 440884480), (2, 220442240), (4, 110221120), (5, 88176896), (8, 55110560), (10, 44088448), (16, 27555280), (20, 22044224), (31, 14222080), (32, 13777640), (40, 11022112), (41, 10753280), (62, 7111040), (64, 6888820), (80, 5511056), (82, 5376640), (124, 3555520), (128, 3444410), (155, 2844416), (160, 2755528), (164, 2688320), (205, 2150656), (248, 1777760), (256, 1722205), (271, 1626880), (310, 1422208), (320, 1377764), (328, 1344160), (410, 1075328), (496, 888880), (542, 813440), (620, 711104), (640, 688882), (656, 672080), (820, 537664), (992, 444440), (1084, 406720), (1240, 355552), (1271, 346880), (1280, 344441), (1312, 336040), (1355, 325376), (1640, 268832), (1984, 222220), (2168, 203360), (2480, 177776), (2542, 173440), (2624, 168020), (2710, 162688), (3280, 134416), (3968, 111110), (4336, 101680), (4960, 88888), (5084, 86720), (5248, 84010), (5420, 81344), (6355, 69376), (6560, 67208), (7936, 55555), (8401, 52480), (8672, 50840), (9920, 44444), (10168, 43360), (10496, 42005), (10840, 40672), (11111, 39680), (12710, 34688), (13120, 33604), (16802, 26240), (17344, 25420), (19840, 22222), (20336, 21680)]