18262620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 56216160

約数和(自身を除く): 37953540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1429, 2130, 2556, 2858, 3195, 4260, 4287, 5716, 6390, 7145, 8574, 12780, 12861, 14290, 17148, 21435, 25722, 28580, 42870, 51444, 64305, 85740, 101459, 128610, 202918, 257220, 304377, 405836, 507295, 608754, 913131, 1014590, 1217508, 1521885, 1826262, 2029180, 3043770, 3652524, 4565655, 6087540, 9131310, 18262620]

約数ペア:

[(1, 18262620), (2, 9131310), (3, 6087540), (4, 4565655), (5, 3652524), (6, 3043770), (9, 2029180), (10, 1826262), (12, 1521885), (15, 1217508), (18, 1014590), (20, 913131), (30, 608754), (36, 507295), (45, 405836), (60, 304377), (71, 257220), (90, 202918), (142, 128610), (180, 101459), (213, 85740), (284, 64305), (355, 51444), (426, 42870), (639, 28580), (710, 25722), (852, 21435), (1065, 17148), (1278, 14290), (1420, 12861), (1429, 12780), (2130, 8574), (2556, 7145), (2858, 6390), (3195, 5716), (4260, 4287)]