56783320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 150958080

約数和(自身を除く): 94174760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 181, 184, 220, 230, 248, 253, 310, 341, 362, 440, 460, 506, 620, 682, 713, 724, 905, 920, 1012, 1240, 1265, 1364, 1426, 1448, 1705, 1810, 1991, 2024, 2530, 2728, 2852, 3410, 3565, 3620, 3982, 4163, 5060, 5611, 5704, 6820, 7130, 7240, 7843, 7964, 8326, 9955, 10120, 11222, 13640, 14260, 15686, 15928, 16652, 19910, 20815, 22444, 28055, 28520, 31372, 33304, 39215, 39820, 41630, 44888, 45793, 56110, 61721, 62744, 78430, 79640, 83260, 91586, 112220, 123442, 129053, 156860, 166520, 183172, 224440, 228965, 246884, 258106, 308605, 313720, 366344, 457930, 493768, 516212, 617210, 645265, 915860, 1032424, 1234420, 1290530, 1419583, 1831720, 2468840, 2581060, 2839166, 5162120, 5678332, 7097915, 11356664, 14195830, 28391660, 56783320]

約数ペア:

[(1, 56783320), (2, 28391660), (4, 14195830), (5, 11356664), (8, 7097915), (10, 5678332), (11, 5162120), (20, 2839166), (22, 2581060), (23, 2468840), (31, 1831720), (40, 1419583), (44, 1290530), (46, 1234420), (55, 1032424), (62, 915860), (88, 645265), (92, 617210), (110, 516212), (115, 493768), (124, 457930), (155, 366344), (181, 313720), (184, 308605), (220, 258106), (230, 246884), (248, 228965), (253, 224440), (310, 183172), (341, 166520), (362, 156860), (440, 129053), (460, 123442), (506, 112220), (620, 91586), (682, 83260), (713, 79640), (724, 78430), (905, 62744), (920, 61721), (1012, 56110), (1240, 45793), (1265, 44888), (1364, 41630), (1426, 39820), (1448, 39215), (1705, 33304), (1810, 31372), (1991, 28520), (2024, 28055), (2530, 22444), (2728, 20815), (2852, 19910), (3410, 16652), (3565, 15928), (3620, 15686), (3982, 14260), (4163, 13640), (5060, 11222), (5611, 10120), (5704, 9955), (6820, 8326), (7130, 7964), (7240, 7843)]