172772820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1326

約数の個数: 144

約数和(自身を含む): 580245120

約数和(自身を除く): 407472300

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, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 639, 660, 710, 781, 852, 990, 1065, 1229, 1278, 1420, 1562, 1980, 2130, 2343, 2458, 2556, 3124, 3195, 3687, 3905, 4260, 4686, 4916, 6145, 6390, 7029, 7374, 7810, 9372, 11061, 11715, 12290, 12780, 13519, 14058, 14748, 15620, 18435, 22122, 23430, 24580, 27038, 28116, 35145, 36870, 40557, 44244, 46860, 54076, 55305, 67595, 70290, 73740, 81114, 87259, 110610, 121671, 135190, 140580, 162228, 174518, 202785, 221220, 243342, 261777, 270380, 349036, 405570, 436295, 486684, 523554, 608355, 785331, 811140, 872590, 959849, 1047108, 1216710, 1308885, 1570662, 1745180, 1919698, 2433420, 2617770, 2879547, 3141324, 3839396, 3926655, 4799245, 5235540, 5759094, 7853310, 8638641, 9598490, 11518188, 14397735, 15706620, 17277282, 19196980, 28795470, 34554564, 43193205, 57590940, 86386410, 172772820]

約数ペア:

[(1, 172772820), (2, 86386410), (3, 57590940), (4, 43193205), (5, 34554564), (6, 28795470), (9, 19196980), (10, 17277282), (11, 15706620), (12, 14397735), (15, 11518188), (18, 9598490), (20, 8638641), (22, 7853310), (30, 5759094), (33, 5235540), (36, 4799245), (44, 3926655), (45, 3839396), (55, 3141324), (60, 2879547), (66, 2617770), (71, 2433420), (90, 1919698), (99, 1745180), (110, 1570662), (132, 1308885), (142, 1216710), (165, 1047108), (180, 959849), (198, 872590), (213, 811140), (220, 785331), (284, 608355), (330, 523554), (355, 486684), (396, 436295), (426, 405570), (495, 349036), (639, 270380), (660, 261777), (710, 243342), (781, 221220), (852, 202785), (990, 174518), (1065, 162228), (1229, 140580), (1278, 135190), (1420, 121671), (1562, 110610), (1980, 87259), (2130, 81114), (2343, 73740), (2458, 70290), (2556, 67595), (3124, 55305), (3195, 54076), (3687, 46860), (3905, 44244), (4260, 40557), (4686, 36870), (4916, 35145), (6145, 28116), (6390, 27038), (7029, 24580), (7374, 23430), (7810, 22122), (9372, 18435), (11061, 15620), (11715, 14748), (12290, 14058), (12780, 13519)]