1731240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 6624000

約数和(自身を除く): 4892760

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, 229, 252, 270, 280, 315, 360, 378, 420, 458, 504, 540, 630, 687, 756, 840, 916, 945, 1080, 1145, 1260, 1374, 1512, 1603, 1832, 1890, 2061, 2290, 2520, 2748, 3206, 3435, 3780, 4122, 4580, 4809, 5496, 6183, 6412, 6870, 7560, 8015, 8244, 9160, 9618, 10305, 12366, 12824, 13740, 14427, 16030, 16488, 19236, 20610, 24045, 24732, 27480, 28854, 30915, 32060, 38472, 41220, 43281, 48090, 49464, 57708, 61830, 64120, 72135, 82440, 86562, 96180, 115416, 123660, 144270, 173124, 192360, 216405, 247320, 288540, 346248, 432810, 577080, 865620, 1731240]

約数ペア:

[(1, 1731240), (2, 865620), (3, 577080), (4, 432810), (5, 346248), (6, 288540), (7, 247320), (8, 216405), (9, 192360), (10, 173124), (12, 144270), (14, 123660), (15, 115416), (18, 96180), (20, 86562), (21, 82440), (24, 72135), (27, 64120), (28, 61830), (30, 57708), (35, 49464), (36, 48090), (40, 43281), (42, 41220), (45, 38472), (54, 32060), (56, 30915), (60, 28854), (63, 27480), (70, 24732), (72, 24045), (84, 20610), (90, 19236), (105, 16488), (108, 16030), (120, 14427), (126, 13740), (135, 12824), (140, 12366), (168, 10305), (180, 9618), (189, 9160), (210, 8244), (216, 8015), (229, 7560), (252, 6870), (270, 6412), (280, 6183), (315, 5496), (360, 4809), (378, 4580), (420, 4122), (458, 3780), (504, 3435), (540, 3206), (630, 2748), (687, 2520), (756, 2290), (840, 2061), (916, 1890), (945, 1832), (1080, 1603), (1145, 1512), (1260, 1374)]