262423620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16381}}^1$

素因数の和:16485

約数の個数: 72

約数和(自身を含む): 805011480

約数和(自身を除く): 542587860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 16381, 32762, 49143, 65524, 81905, 98286, 147429, 163810, 196572, 245715, 294858, 327620, 491430, 589716, 737145, 982860, 1457909, 1474290, 2915818, 2948580, 4373727, 5831636, 7289545, 8747454, 13121181, 14579090, 17494908, 21868635, 26242362, 29158180, 43737270, 52484724, 65605905, 87474540, 131211810, 262423620]

約数ペア:

[(1, 262423620), (2, 131211810), (3, 87474540), (4, 65605905), (5, 52484724), (6, 43737270), (9, 29158180), (10, 26242362), (12, 21868635), (15, 17494908), (18, 14579090), (20, 13121181), (30, 8747454), (36, 7289545), (45, 5831636), (60, 4373727), (89, 2948580), (90, 2915818), (178, 1474290), (180, 1457909), (267, 982860), (356, 737145), (445, 589716), (534, 491430), (801, 327620), (890, 294858), (1068, 245715), (1335, 196572), (1602, 163810), (1780, 147429), (2670, 98286), (3204, 81905), (4005, 65524), (5340, 49143), (8010, 32762), (16020, 16381)]