181821420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 605797920

約数和(自身を除く): 423976500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 229, 330, 396, 401, 458, 495, 660, 687, 802, 916, 990, 1145, 1203, 1374, 1604, 1980, 2005, 2061, 2290, 2406, 2519, 2748, 3435, 3609, 4010, 4122, 4411, 4580, 4812, 5038, 6015, 6870, 7218, 7557, 8020, 8244, 8822, 10076, 10305, 12030, 12595, 13233, 13740, 14436, 15114, 17644, 18045, 20610, 22055, 22671, 24060, 25190, 26466, 30228, 36090, 37785, 39699, 41220, 44110, 45342, 50380, 52932, 66165, 72180, 75570, 79398, 88220, 90684, 91829, 113355, 132330, 151140, 158796, 183658, 198495, 226710, 264660, 275487, 367316, 396990, 453420, 459145, 550974, 793980, 826461, 918290, 1010119, 1101948, 1377435, 1652922, 1836580, 2020238, 2754870, 3030357, 3305844, 4040476, 4132305, 5050595, 5509740, 6060714, 8264610, 9091071, 10101190, 12121428, 15151785, 16529220, 18182142, 20202380, 30303570, 36364284, 45455355, 60607140, 90910710, 181821420]

約数ペア:

[(1, 181821420), (2, 90910710), (3, 60607140), (4, 45455355), (5, 36364284), (6, 30303570), (9, 20202380), (10, 18182142), (11, 16529220), (12, 15151785), (15, 12121428), (18, 10101190), (20, 9091071), (22, 8264610), (30, 6060714), (33, 5509740), (36, 5050595), (44, 4132305), (45, 4040476), (55, 3305844), (60, 3030357), (66, 2754870), (90, 2020238), (99, 1836580), (110, 1652922), (132, 1377435), (165, 1101948), (180, 1010119), (198, 918290), (220, 826461), (229, 793980), (330, 550974), (396, 459145), (401, 453420), (458, 396990), (495, 367316), (660, 275487), (687, 264660), (802, 226710), (916, 198495), (990, 183658), (1145, 158796), (1203, 151140), (1374, 132330), (1604, 113355), (1980, 91829), (2005, 90684), (2061, 88220), (2290, 79398), (2406, 75570), (2519, 72180), (2748, 66165), (3435, 52932), (3609, 50380), (4010, 45342), (4122, 44110), (4411, 41220), (4580, 39699), (4812, 37785), (5038, 36090), (6015, 30228), (6870, 26466), (7218, 25190), (7557, 24060), (8020, 22671), (8244, 22055), (8822, 20610), (10076, 18045), (10305, 17644), (12030, 15114), (12595, 14436), (13233, 13740)]