180225920

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 128

約数和(自身を含む): 503064000

約数和(自身を除く): 322838080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 821, 896, 980, 1120, 1372, 1568, 1642, 1715, 1960, 2240, 2744, 3136, 3284, 3430, 3920, 4105, 4480, 5488, 5747, 6272, 6568, 6860, 7840, 8210, 10976, 11494, 13136, 13720, 15680, 16420, 21952, 22988, 26272, 27440, 28735, 31360, 32840, 40229, 43904, 45976, 52544, 54880, 57470, 65680, 80458, 91952, 105088, 109760, 114940, 131360, 160916, 183904, 201145, 219520, 229880, 262720, 281603, 321832, 367808, 402290, 459760, 525440, 563206, 643664, 735616, 804580, 919520, 1126412, 1287328, 1408015, 1609160, 1839040, 2252824, 2574656, 2816030, 3218320, 3678080, 4505648, 5149312, 5632060, 6436640, 9011296, 11264120, 12873280, 18022592, 22528240, 25746560, 36045184, 45056480, 90112960, 180225920]

約数ペア:

[(1, 180225920), (2, 90112960), (4, 45056480), (5, 36045184), (7, 25746560), (8, 22528240), (10, 18022592), (14, 12873280), (16, 11264120), (20, 9011296), (28, 6436640), (32, 5632060), (35, 5149312), (40, 4505648), (49, 3678080), (56, 3218320), (64, 2816030), (70, 2574656), (80, 2252824), (98, 1839040), (112, 1609160), (128, 1408015), (140, 1287328), (160, 1126412), (196, 919520), (224, 804580), (245, 735616), (280, 643664), (320, 563206), (343, 525440), (392, 459760), (448, 402290), (490, 367808), (560, 321832), (640, 281603), (686, 262720), (784, 229880), (821, 219520), (896, 201145), (980, 183904), (1120, 160916), (1372, 131360), (1568, 114940), (1642, 109760), (1715, 105088), (1960, 91952), (2240, 80458), (2744, 65680), (3136, 57470), (3284, 54880), (3430, 52544), (3920, 45976), (4105, 43904), (4480, 40229), (5488, 32840), (5747, 31360), (6272, 28735), (6568, 27440), (6860, 26272), (7840, 22988), (8210, 21952), (10976, 16420), (11494, 15680), (13136, 13720)]