85472820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 275795520

約数和(自身を除く): 190322700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 409, 430, 486, 516, 540, 645, 774, 810, 818, 860, 972, 1161, 1215, 1227, 1290, 1548, 1620, 1636, 1935, 2045, 2322, 2430, 2454, 2580, 3483, 3681, 3870, 4090, 4644, 4860, 4908, 5805, 6135, 6966, 7362, 7740, 8180, 10449, 11043, 11610, 12270, 13932, 14724, 17415, 17587, 18405, 20898, 22086, 23220, 24540, 33129, 34830, 35174, 36810, 41796, 44172, 52245, 52761, 55215, 66258, 69660, 70348, 73620, 87935, 99387, 104490, 105522, 110430, 132516, 158283, 165645, 175870, 198774, 208980, 211044, 220860, 263805, 316566, 331290, 351740, 397548, 474849, 496935, 527610, 633132, 662580, 791415, 949698, 993870, 1055220, 1424547, 1582830, 1899396, 1987740, 2374245, 2849094, 3165660, 4273641, 4748490, 5698188, 7122735, 8547282, 9496980, 14245470, 17094564, 21368205, 28490940, 42736410, 85472820]

約数ペア:

[(1, 85472820), (2, 42736410), (3, 28490940), (4, 21368205), (5, 17094564), (6, 14245470), (9, 9496980), (10, 8547282), (12, 7122735), (15, 5698188), (18, 4748490), (20, 4273641), (27, 3165660), (30, 2849094), (36, 2374245), (43, 1987740), (45, 1899396), (54, 1582830), (60, 1424547), (81, 1055220), (86, 993870), (90, 949698), (108, 791415), (129, 662580), (135, 633132), (162, 527610), (172, 496935), (180, 474849), (215, 397548), (243, 351740), (258, 331290), (270, 316566), (324, 263805), (387, 220860), (405, 211044), (409, 208980), (430, 198774), (486, 175870), (516, 165645), (540, 158283), (645, 132516), (774, 110430), (810, 105522), (818, 104490), (860, 99387), (972, 87935), (1161, 73620), (1215, 70348), (1227, 69660), (1290, 66258), (1548, 55215), (1620, 52761), (1636, 52245), (1935, 44172), (2045, 41796), (2322, 36810), (2430, 35174), (2454, 34830), (2580, 33129), (3483, 24540), (3681, 23220), (3870, 22086), (4090, 20898), (4644, 18405), (4860, 17587), (4908, 17415), (5805, 14724), (6135, 13932), (6966, 12270), (7362, 11610), (7740, 11043), (8180, 10449)]