19985560920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{474491}}^1$

素因数の和:474527

約数の個数: 160

約数和(自身を含む): 72341050320

約数和(自身を除く): 52355489400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 7020, 8424, 10530, 14040, 21060, 42120, 474491, 948982, 1423473, 1897964, 2372455, 2846946, 3795928, 4270419, 4744910, 5693892, 6168383, 7117365, 8540838, 9489820, 11387784, 12336766, 12811257, 14234730, 17081676, 18505149, 18979640, 21352095, 24673532, 25622514, 28469460, 30841915, 34163352, 37010298, 38433771, 42704190, 49347064, 51245028, 55515447, 56938920, 61683830, 64056285, 74020596, 76867542, 85408380, 92525745, 102490056, 111030894, 123367660, 128112570, 148041192, 153735084, 166546341, 170816760, 185051490, 192168855, 222061788, 246735320, 256225140, 277577235, 307470168, 333092682, 370102980, 384337710, 444123576, 499639023, 512450280, 555154470, 666185364, 740205960, 768675420, 832731705, 999278046, 1110308940, 1332370728, 1537350840, 1665463410, 1998556092, 2220617880, 2498195115, 3330926820, 3997112184, 4996390230, 6661853640, 9992780460, 19985560920]

約数ペア:

[(1, 19985560920), (2, 9992780460), (3, 6661853640), (4, 4996390230), (5, 3997112184), (6, 3330926820), (8, 2498195115), (9, 2220617880), (10, 1998556092), (12, 1665463410), (13, 1537350840), (15, 1332370728), (18, 1110308940), (20, 999278046), (24, 832731705), (26, 768675420), (27, 740205960), (30, 666185364), (36, 555154470), (39, 512450280), (40, 499639023), (45, 444123576), (52, 384337710), (54, 370102980), (60, 333092682), (65, 307470168), (72, 277577235), (78, 256225140), (81, 246735320), (90, 222061788), (104, 192168855), (108, 185051490), (117, 170816760), (120, 166546341), (130, 153735084), (135, 148041192), (156, 128112570), (162, 123367660), (180, 111030894), (195, 102490056), (216, 92525745), (234, 85408380), (260, 76867542), (270, 74020596), (312, 64056285), (324, 61683830), (351, 56938920), (360, 55515447), (390, 51245028), (405, 49347064), (468, 42704190), (520, 38433771), (540, 37010298), (585, 34163352), (648, 30841915), (702, 28469460), (780, 25622514), (810, 24673532), (936, 21352095), (1053, 18979640), (1080, 18505149), (1170, 17081676), (1404, 14234730), (1560, 12811257), (1620, 12336766), (1755, 11387784), (2106, 9489820), (2340, 8540838), (2808, 7117365), (3240, 6168383), (3510, 5693892), (4212, 4744910), (4680, 4270419), (5265, 3795928), (7020, 2846946), (8424, 2372455), (10530, 1897964), (14040, 1423473), (21060, 948982), (42120, 474491)]