1644720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 6428160

約数和(自身を除く): 4783440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 89, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 178, 210, 220, 231, 240, 264, 267, 280, 308, 330, 336, 356, 385, 420, 440, 445, 462, 528, 534, 560, 616, 623, 660, 712, 770, 840, 880, 890, 924, 979, 1068, 1155, 1232, 1246, 1320, 1335, 1424, 1540, 1680, 1780, 1848, 1869, 1958, 2136, 2310, 2492, 2640, 2670, 2937, 3080, 3115, 3560, 3696, 3738, 3916, 4272, 4620, 4895, 4984, 5340, 5874, 6160, 6230, 6853, 7120, 7476, 7832, 9240, 9345, 9790, 9968, 10680, 11748, 12460, 13706, 14685, 14952, 15664, 18480, 18690, 19580, 20559, 21360, 23496, 24920, 27412, 29370, 29904, 34265, 37380, 39160, 41118, 46992, 49840, 54824, 58740, 68530, 74760, 78320, 82236, 102795, 109648, 117480, 137060, 149520, 164472, 205590, 234960, 274120, 328944, 411180, 548240, 822360, 1644720]

約数ペア:

[(1, 1644720), (2, 822360), (3, 548240), (4, 411180), (5, 328944), (6, 274120), (7, 234960), (8, 205590), (10, 164472), (11, 149520), (12, 137060), (14, 117480), (15, 109648), (16, 102795), (20, 82236), (21, 78320), (22, 74760), (24, 68530), (28, 58740), (30, 54824), (33, 49840), (35, 46992), (40, 41118), (42, 39160), (44, 37380), (48, 34265), (55, 29904), (56, 29370), (60, 27412), (66, 24920), (70, 23496), (77, 21360), (80, 20559), (84, 19580), (88, 18690), (89, 18480), (105, 15664), (110, 14952), (112, 14685), (120, 13706), (132, 12460), (140, 11748), (154, 10680), (165, 9968), (168, 9790), (176, 9345), (178, 9240), (210, 7832), (220, 7476), (231, 7120), (240, 6853), (264, 6230), (267, 6160), (280, 5874), (308, 5340), (330, 4984), (336, 4895), (356, 4620), (385, 4272), (420, 3916), (440, 3738), (445, 3696), (462, 3560), (528, 3115), (534, 3080), (560, 2937), (616, 2670), (623, 2640), (660, 2492), (712, 2310), (770, 2136), (840, 1958), (880, 1869), (890, 1848), (924, 1780), (979, 1680), (1068, 1540), (1155, 1424), (1232, 1335), (1246, 1320)]