31341640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 85017600

約数和(自身を除く): 53675960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 163, 184, 190, 209, 220, 230, 253, 326, 380, 418, 437, 440, 460, 506, 652, 760, 815, 836, 874, 920, 1012, 1045, 1265, 1304, 1630, 1672, 1748, 1793, 2024, 2090, 2185, 2530, 3097, 3260, 3496, 3586, 3749, 4180, 4370, 4807, 5060, 6194, 6520, 7172, 7498, 8360, 8740, 8965, 9614, 10120, 12388, 14344, 14996, 15485, 17480, 17930, 18745, 19228, 24035, 24776, 29992, 30970, 34067, 35860, 37490, 38456, 41239, 48070, 61940, 68134, 71231, 71720, 74980, 82478, 96140, 123880, 136268, 142462, 149960, 164956, 170335, 192280, 206195, 272536, 284924, 329912, 340670, 356155, 412390, 569848, 681340, 712310, 783541, 824780, 1362680, 1424620, 1567082, 1649560, 2849240, 3134164, 3917705, 6268328, 7835410, 15670820, 31341640]

約数ペア:

[(1, 31341640), (2, 15670820), (4, 7835410), (5, 6268328), (8, 3917705), (10, 3134164), (11, 2849240), (19, 1649560), (20, 1567082), (22, 1424620), (23, 1362680), (38, 824780), (40, 783541), (44, 712310), (46, 681340), (55, 569848), (76, 412390), (88, 356155), (92, 340670), (95, 329912), (110, 284924), (115, 272536), (152, 206195), (163, 192280), (184, 170335), (190, 164956), (209, 149960), (220, 142462), (230, 136268), (253, 123880), (326, 96140), (380, 82478), (418, 74980), (437, 71720), (440, 71231), (460, 68134), (506, 61940), (652, 48070), (760, 41239), (815, 38456), (836, 37490), (874, 35860), (920, 34067), (1012, 30970), (1045, 29992), (1265, 24776), (1304, 24035), (1630, 19228), (1672, 18745), (1748, 17930), (1793, 17480), (2024, 15485), (2090, 14996), (2185, 14344), (2530, 12388), (3097, 10120), (3260, 9614), (3496, 8965), (3586, 8740), (3749, 8360), (4180, 7498), (4370, 7172), (4807, 6520), (5060, 6194)]