247396860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15443}}^1$

素因数の和:15547

約数の個数: 72

約数和(自身を含む): 758918160

約数和(自身を除く): 511521300

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, 15443, 16020, 30886, 46329, 61772, 77215, 92658, 138987, 154430, 185316, 231645, 277974, 308860, 463290, 555948, 694935, 926580, 1374427, 1389870, 2748854, 2779740, 4123281, 5497708, 6872135, 8246562, 12369843, 13744270, 16493124, 20616405, 24739686, 27488540, 41232810, 49479372, 61849215, 82465620, 123698430, 247396860]

約数ペア:

[(1, 247396860), (2, 123698430), (3, 82465620), (4, 61849215), (5, 49479372), (6, 41232810), (9, 27488540), (10, 24739686), (12, 20616405), (15, 16493124), (18, 13744270), (20, 12369843), (30, 8246562), (36, 6872135), (45, 5497708), (60, 4123281), (89, 2779740), (90, 2748854), (178, 1389870), (180, 1374427), (267, 926580), (356, 694935), (445, 555948), (534, 463290), (801, 308860), (890, 277974), (1068, 231645), (1335, 185316), (1602, 154430), (1780, 138987), (2670, 92658), (3204, 77215), (4005, 61772), (5340, 46329), (8010, 30886), (15443, 16020)]