155852820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 502320000

約数和(自身を除く): 346467180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 228, 229, 285, 342, 380, 398, 458, 570, 597, 684, 687, 796, 855, 916, 995, 1140, 1145, 1194, 1374, 1710, 1791, 1990, 2061, 2290, 2388, 2748, 2985, 3420, 3435, 3582, 3781, 3980, 4122, 4351, 4580, 5970, 6870, 7164, 7562, 8244, 8702, 8955, 10305, 11343, 11940, 13053, 13740, 15124, 17404, 17910, 18905, 20610, 21755, 22686, 26106, 34029, 35820, 37810, 39159, 41220, 43510, 45372, 45571, 52212, 56715, 65265, 68058, 75620, 78318, 87020, 91142, 113430, 130530, 136116, 136713, 156636, 170145, 182284, 195795, 226860, 227855, 261060, 273426, 340290, 391590, 410139, 455710, 546852, 680580, 683565, 783180, 820278, 865849, 911420, 1367130, 1640556, 1731698, 2050695, 2597547, 2734260, 3463396, 4101390, 4329245, 5195094, 7792641, 8202780, 8658490, 10390188, 12987735, 15585282, 17316980, 25975470, 31170564, 38963205, 51950940, 77926410, 155852820]

約数ペア:

[(1, 155852820), (2, 77926410), (3, 51950940), (4, 38963205), (5, 31170564), (6, 25975470), (9, 17316980), (10, 15585282), (12, 12987735), (15, 10390188), (18, 8658490), (19, 8202780), (20, 7792641), (30, 5195094), (36, 4329245), (38, 4101390), (45, 3463396), (57, 2734260), (60, 2597547), (76, 2050695), (90, 1731698), (95, 1640556), (114, 1367130), (171, 911420), (180, 865849), (190, 820278), (199, 783180), (228, 683565), (229, 680580), (285, 546852), (342, 455710), (380, 410139), (398, 391590), (458, 340290), (570, 273426), (597, 261060), (684, 227855), (687, 226860), (796, 195795), (855, 182284), (916, 170145), (995, 156636), (1140, 136713), (1145, 136116), (1194, 130530), (1374, 113430), (1710, 91142), (1791, 87020), (1990, 78318), (2061, 75620), (2290, 68058), (2388, 65265), (2748, 56715), (2985, 52212), (3420, 45571), (3435, 45372), (3582, 43510), (3781, 41220), (3980, 39159), (4122, 37810), (4351, 35820), (4580, 34029), (5970, 26106), (6870, 22686), (7164, 21755), (7562, 20610), (8244, 18905), (8702, 17910), (8955, 17404), (10305, 15124), (11343, 13740), (11940, 13053)]