181738980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4409}}^1$

素因数の和:4653

約数の個数: 72

約数和(自身を含む): 553807800

約数和(自身を除く): 372068820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4409, 4580, 6870, 8244, 8818, 10305, 13227, 13740, 17636, 20610, 22045, 26454, 39681, 41220, 44090, 52908, 66135, 79362, 88180, 132270, 158724, 198405, 264540, 396810, 793620, 1009661, 2019322, 3028983, 4038644, 5048305, 6057966, 9086949, 10096610, 12115932, 15144915, 18173898, 20193220, 30289830, 36347796, 45434745, 60579660, 90869490, 181738980]

約数ペア:

[(1, 181738980), (2, 90869490), (3, 60579660), (4, 45434745), (5, 36347796), (6, 30289830), (9, 20193220), (10, 18173898), (12, 15144915), (15, 12115932), (18, 10096610), (20, 9086949), (30, 6057966), (36, 5048305), (45, 4038644), (60, 3028983), (90, 2019322), (180, 1009661), (229, 793620), (458, 396810), (687, 264540), (916, 198405), (1145, 158724), (1374, 132270), (2061, 88180), (2290, 79362), (2748, 66135), (3435, 52908), (4122, 44090), (4409, 41220), (4580, 39681), (6870, 26454), (8244, 22045), (8818, 20610), (10305, 17636), (13227, 13740)]