280184940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{10589}}^1$

素因数の和:10621

約数の個数: 144

約数和(自身を含む): 1014098400

約数和(自身を除く): 733913460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 10589, 13230, 21178, 26460, 31767, 42356, 52945, 63534, 74123, 95301, 105890, 127068, 148246, 158835, 190602, 211780, 222369, 285903, 296492, 317670, 370615, 381204, 444738, 476505, 518861, 571806, 635340, 667107, 741230, 889476, 953010, 1037722, 1111845, 1143612, 1334214, 1429515, 1482460, 1556583, 1906020, 2001321, 2075444, 2223690, 2594305, 2668428, 2859030, 3113166, 3335535, 4002642, 4447380, 4669749, 5188610, 5718060, 6226332, 6671070, 7782915, 8005284, 9339498, 10006605, 10377220, 13342140, 14009247, 15565830, 18678996, 20013210, 23348745, 28018494, 31131660, 40026420, 46697490, 56036988, 70046235, 93394980, 140092470, 280184940]

約数ペア:

[(1, 280184940), (2, 140092470), (3, 93394980), (4, 70046235), (5, 56036988), (6, 46697490), (7, 40026420), (9, 31131660), (10, 28018494), (12, 23348745), (14, 20013210), (15, 18678996), (18, 15565830), (20, 14009247), (21, 13342140), (27, 10377220), (28, 10006605), (30, 9339498), (35, 8005284), (36, 7782915), (42, 6671070), (45, 6226332), (49, 5718060), (54, 5188610), (60, 4669749), (63, 4447380), (70, 4002642), (84, 3335535), (90, 3113166), (98, 2859030), (105, 2668428), (108, 2594305), (126, 2223690), (135, 2075444), (140, 2001321), (147, 1906020), (180, 1556583), (189, 1482460), (196, 1429515), (210, 1334214), (245, 1143612), (252, 1111845), (270, 1037722), (294, 953010), (315, 889476), (378, 741230), (420, 667107), (441, 635340), (490, 571806), (540, 518861), (588, 476505), (630, 444738), (735, 381204), (756, 370615), (882, 317670), (945, 296492), (980, 285903), (1260, 222369), (1323, 211780), (1470, 190602), (1764, 158835), (1890, 148246), (2205, 127068), (2646, 105890), (2940, 95301), (3780, 74123), (4410, 63534), (5292, 52945), (6615, 42356), (8820, 31767), (10589, 26460), (13230, 21178)]