204645840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:877

約数の個数: 160

約数和(自身を含む): 730119936

約数和(自身を除く): 525474096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 280, 336, 362, 420, 543, 560, 673, 724, 840, 905, 1086, 1267, 1346, 1448, 1680, 1810, 2019, 2172, 2534, 2692, 2715, 2896, 3365, 3620, 3801, 4038, 4344, 4711, 5068, 5384, 5430, 6335, 6730, 7240, 7602, 8076, 8688, 9422, 10095, 10136, 10768, 10860, 12670, 13460, 14133, 14480, 15204, 16152, 18844, 19005, 20190, 20272, 21720, 23555, 25340, 26920, 28266, 30408, 32304, 37688, 38010, 40380, 43440, 47110, 50680, 53840, 56532, 60816, 70665, 75376, 76020, 80760, 94220, 101360, 113064, 121813, 141330, 152040, 161520, 188440, 226128, 243626, 282660, 304080, 365439, 376880, 487252, 565320, 609065, 730878, 852691, 974504, 1130640, 1218130, 1461756, 1705382, 1827195, 1949008, 2436260, 2558073, 2923512, 3410764, 3654390, 4263455, 4872520, 5116146, 5847024, 6821528, 7308780, 8526910, 9745040, 10232292, 12790365, 13643056, 14617560, 17053820, 20464584, 25580730, 29235120, 34107640, 40929168, 51161460, 68215280, 102322920, 204645840]

約数ペア:

[(1, 204645840), (2, 102322920), (3, 68215280), (4, 51161460), (5, 40929168), (6, 34107640), (7, 29235120), (8, 25580730), (10, 20464584), (12, 17053820), (14, 14617560), (15, 13643056), (16, 12790365), (20, 10232292), (21, 9745040), (24, 8526910), (28, 7308780), (30, 6821528), (35, 5847024), (40, 5116146), (42, 4872520), (48, 4263455), (56, 3654390), (60, 3410764), (70, 2923512), (80, 2558073), (84, 2436260), (105, 1949008), (112, 1827195), (120, 1705382), (140, 1461756), (168, 1218130), (181, 1130640), (210, 974504), (240, 852691), (280, 730878), (336, 609065), (362, 565320), (420, 487252), (543, 376880), (560, 365439), (673, 304080), (724, 282660), (840, 243626), (905, 226128), (1086, 188440), (1267, 161520), (1346, 152040), (1448, 141330), (1680, 121813), (1810, 113064), (2019, 101360), (2172, 94220), (2534, 80760), (2692, 76020), (2715, 75376), (2896, 70665), (3365, 60816), (3620, 56532), (3801, 53840), (4038, 50680), (4344, 47110), (4711, 43440), (5068, 40380), (5384, 38010), (5430, 37688), (6335, 32304), (6730, 30408), (7240, 28266), (7602, 26920), (8076, 25340), (8688, 23555), (9422, 21720), (10095, 20272), (10136, 20190), (10768, 19005), (10860, 18844), (12670, 16152), (13460, 15204), (14133, 14480)]