561667680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{55721}}^1$

素因数の和:55749

約数の個数: 144

約数和(自身を含む): 2190543264

約数和(自身を除く): 1628875584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 55721, 111442, 167163, 222884, 278605, 334326, 390047, 445768, 501489, 557210, 668652, 780094, 835815, 891536, 1002978, 1114420, 1170141, 1337304, 1560188, 1671630, 1783072, 1950235, 2005956, 2228840, 2340282, 2507445, 2674608, 3120376, 3343260, 3510423, 3900470, 4011912, 4457680, 4680564, 5014890, 5349216, 5850705, 6240752, 6686520, 7020846, 7800940, 8023824, 8915360, 9361128, 10029780, 11701410, 12481504, 13373040, 14041692, 15601880, 16047648, 17552115, 18722256, 20059560, 23402820, 26746080, 28083384, 31203760, 35104230, 37444512, 40119120, 46805640, 56166768, 62407520, 70208460, 80238240, 93611280, 112333536, 140416920, 187222560, 280833840, 561667680]

約数ペア:

[(1, 561667680), (2, 280833840), (3, 187222560), (4, 140416920), (5, 112333536), (6, 93611280), (7, 80238240), (8, 70208460), (9, 62407520), (10, 56166768), (12, 46805640), (14, 40119120), (15, 37444512), (16, 35104230), (18, 31203760), (20, 28083384), (21, 26746080), (24, 23402820), (28, 20059560), (30, 18722256), (32, 17552115), (35, 16047648), (36, 15601880), (40, 14041692), (42, 13373040), (45, 12481504), (48, 11701410), (56, 10029780), (60, 9361128), (63, 8915360), (70, 8023824), (72, 7800940), (80, 7020846), (84, 6686520), (90, 6240752), (96, 5850705), (105, 5349216), (112, 5014890), (120, 4680564), (126, 4457680), (140, 4011912), (144, 3900470), (160, 3510423), (168, 3343260), (180, 3120376), (210, 2674608), (224, 2507445), (240, 2340282), (252, 2228840), (280, 2005956), (288, 1950235), (315, 1783072), (336, 1671630), (360, 1560188), (420, 1337304), (480, 1170141), (504, 1114420), (560, 1002978), (630, 891536), (672, 835815), (720, 780094), (840, 668652), (1008, 557210), (1120, 501489), (1260, 445768), (1440, 390047), (1680, 334326), (2016, 278605), (2520, 222884), (3360, 167163), (5040, 111442), (10080, 55721)]