20151491280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4939091}}^1$

素因数の和:4939124

約数の個数: 80

約数和(自身を含む): 66144320064

約数和(自身を除く): 45992828784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4939091, 9878182, 14817273, 19756364, 24695455, 29634546, 39512728, 49390910, 59269092, 74086365, 79025456, 83964547, 98781820, 118538184, 148172730, 167929094, 197563640, 237076368, 251893641, 296345460, 335858188, 395127280, 419822735, 503787282, 592690920, 671716376, 839645470, 1007574564, 1185381840, 1259468205, 1343432752, 1679290940, 2015149128, 2518936410, 3358581880, 4030298256, 5037872820, 6717163760, 10075745640, 20151491280]

約数ペア:

[(1, 20151491280), (2, 10075745640), (3, 6717163760), (4, 5037872820), (5, 4030298256), (6, 3358581880), (8, 2518936410), (10, 2015149128), (12, 1679290940), (15, 1343432752), (16, 1259468205), (17, 1185381840), (20, 1007574564), (24, 839645470), (30, 671716376), (34, 592690920), (40, 503787282), (48, 419822735), (51, 395127280), (60, 335858188), (68, 296345460), (80, 251893641), (85, 237076368), (102, 197563640), (120, 167929094), (136, 148172730), (170, 118538184), (204, 98781820), (240, 83964547), (255, 79025456), (272, 74086365), (340, 59269092), (408, 49390910), (510, 39512728), (680, 29634546), (816, 24695455), (1020, 19756364), (1360, 14817273), (2040, 9878182), (4080, 4939091)]