156718909180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1\times {\mathrm{1229}}^1$

素因数の和:2407

約数の個数: 96

約数和(自身を含む): 338104368000

約数和(自身を除く): 181385458820

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1009, 1229, 1420, 1780, 2018, 2458, 4036, 4916, 5045, 6145, 6319, 10090, 12290, 12638, 20180, 24580, 25276, 31595, 63190, 71639, 87259, 89801, 109381, 126380, 143278, 174518, 179602, 218762, 286556, 349036, 358195, 359204, 436295, 437524, 449005, 546905, 716390, 872590, 898010, 1093810, 1240061, 1432780, 1745180, 1796020, 2187620, 2480122, 4960244, 6200305, 6375871, 7766051, 12400610, 12751742, 15532102, 24801220, 25503484, 31064204, 31879355, 38830255, 63758710, 77660510, 88044331, 110365429, 127517420, 155321020, 176088662, 220730858, 352177324, 440221655, 441461716, 551827145, 880443310, 1103654290, 1760886620, 2207308580, 7835945459, 15671890918, 31343781836, 39179727295, 78359454590, 156718909180]

約数ペア:

[(1, 156718909180), (2, 78359454590), (4, 39179727295), (5, 31343781836), (10, 15671890918), (20, 7835945459), (71, 2207308580), (89, 1760886620), (142, 1103654290), (178, 880443310), (284, 551827145), (355, 441461716), (356, 440221655), (445, 352177324), (710, 220730858), (890, 176088662), (1009, 155321020), (1229, 127517420), (1420, 110365429), (1780, 88044331), (2018, 77660510), (2458, 63758710), (4036, 38830255), (4916, 31879355), (5045, 31064204), (6145, 25503484), (6319, 24801220), (10090, 15532102), (12290, 12751742), (12638, 12400610), (20180, 7766051), (24580, 6375871), (25276, 6200305), (31595, 4960244), (63190, 2480122), (71639, 2187620), (87259, 1796020), (89801, 1745180), (109381, 1432780), (126380, 1240061), (143278, 1093810), (174518, 898010), (179602, 872590), (218762, 716390), (286556, 546905), (349036, 449005), (358195, 437524), (359204, 436295)]