189403920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{9743}}^1$

素因数の和:9771

約数の個数: 120

約数和(自身を含む): 659707776

約数和(自身を除く): 470303856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 9743, 19440, 19486, 29229, 38972, 48715, 58458, 77944, 87687, 97430, 116916, 146145, 155888, 175374, 194860, 233832, 263061, 292290, 350748, 389720, 438435, 467664, 526122, 584580, 701496, 779440, 789183, 876870, 1052244, 1169160, 1315305, 1402992, 1578366, 1753740, 2104488, 2338320, 2367549, 2630610, 3156732, 3507480, 3945915, 4208976, 4735098, 5261220, 6313464, 7014960, 7891830, 9470196, 10522440, 11837745, 12626928, 15783660, 18940392, 21044880, 23675490, 31567320, 37880784, 47350980, 63134640, 94701960, 189403920]

約数ペア:

[(1, 189403920), (2, 94701960), (3, 63134640), (4, 47350980), (5, 37880784), (6, 31567320), (8, 23675490), (9, 21044880), (10, 18940392), (12, 15783660), (15, 12626928), (16, 11837745), (18, 10522440), (20, 9470196), (24, 7891830), (27, 7014960), (30, 6313464), (36, 5261220), (40, 4735098), (45, 4208976), (48, 3945915), (54, 3507480), (60, 3156732), (72, 2630610), (80, 2367549), (81, 2338320), (90, 2104488), (108, 1753740), (120, 1578366), (135, 1402992), (144, 1315305), (162, 1169160), (180, 1052244), (216, 876870), (240, 789183), (243, 779440), (270, 701496), (324, 584580), (360, 526122), (405, 467664), (432, 438435), (486, 389720), (540, 350748), (648, 292290), (720, 263061), (810, 233832), (972, 194860), (1080, 175374), (1215, 155888), (1296, 146145), (1620, 116916), (1944, 97430), (2160, 87687), (2430, 77944), (3240, 58458), (3888, 48715), (4860, 38972), (6480, 29229), (9720, 19486), (9743, 19440)]