20768445040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{29179}}^1$

素因数の和:29271

約数の個数: 160

約数和(自身を含む): 58356264960

約数和(自身を除く): 37587819920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 70, 80, 82, 112, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 410, 434, 496, 560, 574, 620, 656, 820, 868, 1085, 1148, 1240, 1271, 1435, 1640, 1736, 2170, 2296, 2480, 2542, 2870, 3280, 3472, 4340, 4592, 5084, 5740, 6355, 8680, 8897, 10168, 11480, 12710, 17360, 17794, 20336, 22960, 25420, 29179, 35588, 44485, 50840, 58358, 71176, 88970, 101680, 116716, 142352, 145895, 177940, 204253, 233432, 291790, 355880, 408506, 466864, 583580, 711760, 817012, 904549, 1021265, 1167160, 1196339, 1634024, 1809098, 2042530, 2334320, 2392678, 3268048, 3618196, 4085060, 4522745, 4785356, 5981695, 6331843, 7236392, 8170120, 8374373, 9045490, 9570712, 11963390, 12663686, 14472784, 16340240, 16748746, 18090980, 19141424, 23926780, 25327372, 31659215, 33497492, 36181960, 37086509, 41871865, 47853560, 50654744, 63318430, 66994984, 72363920, 74173018, 83743730, 95707120, 101309488, 126636860, 133989968, 148346036, 167487460, 185432545, 253273720, 259605563, 296692072, 334974920, 370865090, 506547440, 519211126, 593384144, 669949840, 741730180, 1038422252, 1298027815, 1483460360, 2076844504, 2596055630, 2966920720, 4153689008, 5192111260, 10384222520, 20768445040]

約数ペア:

[(1, 20768445040), (2, 10384222520), (4, 5192111260), (5, 4153689008), (7, 2966920720), (8, 2596055630), (10, 2076844504), (14, 1483460360), (16, 1298027815), (20, 1038422252), (28, 741730180), (31, 669949840), (35, 593384144), (40, 519211126), (41, 506547440), (56, 370865090), (62, 334974920), (70, 296692072), (80, 259605563), (82, 253273720), (112, 185432545), (124, 167487460), (140, 148346036), (155, 133989968), (164, 126636860), (205, 101309488), (217, 95707120), (248, 83743730), (280, 74173018), (287, 72363920), (310, 66994984), (328, 63318430), (410, 50654744), (434, 47853560), (496, 41871865), (560, 37086509), (574, 36181960), (620, 33497492), (656, 31659215), (820, 25327372), (868, 23926780), (1085, 19141424), (1148, 18090980), (1240, 16748746), (1271, 16340240), (1435, 14472784), (1640, 12663686), (1736, 11963390), (2170, 9570712), (2296, 9045490), (2480, 8374373), (2542, 8170120), (2870, 7236392), (3280, 6331843), (3472, 5981695), (4340, 4785356), (4592, 4522745), (5084, 4085060), (5740, 3618196), (6355, 3268048), (8680, 2392678), (8897, 2334320), (10168, 2042530), (11480, 1809098), (12710, 1634024), (17360, 1196339), (17794, 1167160), (20336, 1021265), (22960, 904549), (25420, 817012), (29179, 711760), (35588, 583580), (44485, 466864), (50840, 408506), (58358, 355880), (71176, 291790), (88970, 233432), (101680, 204253), (116716, 177940), (142352, 145895)]