186640020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{3023}}^1$

素因数の和:3059

約数の個数: 144

約数和(自身を含む): 660441600

約数和(自身を除く): 473801580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3023, 3087, 3430, 4116, 4410, 5145, 6046, 6174, 6860, 8820, 9069, 10290, 12092, 12348, 15115, 15435, 18138, 20580, 21161, 27207, 30230, 30870, 36276, 42322, 45345, 54414, 60460, 61740, 63483, 84644, 90690, 105805, 108828, 126966, 136035, 148127, 181380, 190449, 211610, 253932, 272070, 296254, 317415, 380898, 423220, 444381, 544140, 592508, 634830, 740635, 761796, 888762, 952245, 1036889, 1269660, 1333143, 1481270, 1777524, 1904490, 2073778, 2221905, 2666286, 2962540, 3110667, 3808980, 4147556, 4443810, 5184445, 5332572, 6221334, 6665715, 8887620, 9332001, 10368890, 12442668, 13331430, 15553335, 18664002, 20737780, 26662860, 31106670, 37328004, 46660005, 62213340, 93320010, 186640020]

約数ペア:

[(1, 186640020), (2, 93320010), (3, 62213340), (4, 46660005), (5, 37328004), (6, 31106670), (7, 26662860), (9, 20737780), (10, 18664002), (12, 15553335), (14, 13331430), (15, 12442668), (18, 10368890), (20, 9332001), (21, 8887620), (28, 6665715), (30, 6221334), (35, 5332572), (36, 5184445), (42, 4443810), (45, 4147556), (49, 3808980), (60, 3110667), (63, 2962540), (70, 2666286), (84, 2221905), (90, 2073778), (98, 1904490), (105, 1777524), (126, 1481270), (140, 1333143), (147, 1269660), (180, 1036889), (196, 952245), (210, 888762), (245, 761796), (252, 740635), (294, 634830), (315, 592508), (343, 544140), (420, 444381), (441, 423220), (490, 380898), (588, 317415), (630, 296254), (686, 272070), (735, 253932), (882, 211610), (980, 190449), (1029, 181380), (1260, 148127), (1372, 136035), (1470, 126966), (1715, 108828), (1764, 105805), (2058, 90690), (2205, 84644), (2940, 63483), (3023, 61740), (3087, 60460), (3430, 54414), (4116, 45345), (4410, 42322), (5145, 36276), (6046, 30870), (6174, 30230), (6860, 27207), (8820, 21161), (9069, 20580), (10290, 18138), (12092, 15435), (12348, 15115)]