420252840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{55589}}^1$

素因数の和:55616

約数の個数: 128

約数和(自身を含む): 1600992000

約数和(自身を除く): 1180739160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 55589, 111178, 166767, 222356, 277945, 333534, 389123, 444712, 500301, 555890, 667068, 778246, 833835, 1000602, 1111780, 1167369, 1334136, 1500903, 1556492, 1667670, 1945615, 2001204, 2223560, 2334738, 2501505, 3001806, 3112984, 3335340, 3502107, 3891230, 4002408, 4669476, 5003010, 5836845, 6003612, 6670680, 7004214, 7504515, 7782460, 9338952, 10006020, 10506321, 11673690, 12007224, 14008428, 15009030, 15564920, 17510535, 20012040, 21012642, 23347380, 28016856, 30018060, 35021070, 42025284, 46694760, 52531605, 60036120, 70042140, 84050568, 105063210, 140084280, 210126420, 420252840]

約数ペア:

[(1, 420252840), (2, 210126420), (3, 140084280), (4, 105063210), (5, 84050568), (6, 70042140), (7, 60036120), (8, 52531605), (9, 46694760), (10, 42025284), (12, 35021070), (14, 30018060), (15, 28016856), (18, 23347380), (20, 21012642), (21, 20012040), (24, 17510535), (27, 15564920), (28, 15009030), (30, 14008428), (35, 12007224), (36, 11673690), (40, 10506321), (42, 10006020), (45, 9338952), (54, 7782460), (56, 7504515), (60, 7004214), (63, 6670680), (70, 6003612), (72, 5836845), (84, 5003010), (90, 4669476), (105, 4002408), (108, 3891230), (120, 3502107), (126, 3335340), (135, 3112984), (140, 3001806), (168, 2501505), (180, 2334738), (189, 2223560), (210, 2001204), (216, 1945615), (252, 1667670), (270, 1556492), (280, 1500903), (315, 1334136), (360, 1167369), (378, 1111780), (420, 1000602), (504, 833835), (540, 778246), (630, 667068), (756, 555890), (840, 500301), (945, 444712), (1080, 389123), (1260, 333534), (1512, 277945), (1890, 222356), (2520, 166767), (3780, 111178), (7560, 55589)]