252525780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 829954944

約数和(自身を除く): 577429164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 311, 347, 390, 468, 585, 622, 694, 780, 933, 1041, 1170, 1244, 1388, 1555, 1735, 1866, 2082, 2340, 2799, 3110, 3123, 3470, 3732, 4043, 4164, 4511, 4665, 5205, 5598, 6220, 6246, 6940, 8086, 9022, 9330, 10410, 11196, 12129, 12492, 13533, 13995, 15615, 16172, 18044, 18660, 20215, 20820, 22555, 24258, 27066, 27990, 31230, 36387, 40430, 40599, 45110, 48516, 54132, 55980, 60645, 62460, 67665, 72774, 80860, 81198, 90220, 107917, 121290, 135330, 145548, 162396, 181935, 202995, 215834, 242580, 270660, 323751, 363870, 405990, 431668, 539585, 647502, 727740, 811980, 971253, 1079170, 1295004, 1402921, 1618755, 1942506, 2158340, 2805842, 3237510, 3885012, 4208763, 4856265, 5611684, 6475020, 7014605, 8417526, 9712530, 12626289, 14029210, 16835052, 19425060, 21043815, 25252578, 28058420, 42087630, 50505156, 63131445, 84175260, 126262890, 252525780]

約数ペア:

[(1, 252525780), (2, 126262890), (3, 84175260), (4, 63131445), (5, 50505156), (6, 42087630), (9, 28058420), (10, 25252578), (12, 21043815), (13, 19425060), (15, 16835052), (18, 14029210), (20, 12626289), (26, 9712530), (30, 8417526), (36, 7014605), (39, 6475020), (45, 5611684), (52, 4856265), (60, 4208763), (65, 3885012), (78, 3237510), (90, 2805842), (117, 2158340), (130, 1942506), (156, 1618755), (180, 1402921), (195, 1295004), (234, 1079170), (260, 971253), (311, 811980), (347, 727740), (390, 647502), (468, 539585), (585, 431668), (622, 405990), (694, 363870), (780, 323751), (933, 270660), (1041, 242580), (1170, 215834), (1244, 202995), (1388, 181935), (1555, 162396), (1735, 145548), (1866, 135330), (2082, 121290), (2340, 107917), (2799, 90220), (3110, 81198), (3123, 80860), (3470, 72774), (3732, 67665), (4043, 62460), (4164, 60645), (4511, 55980), (4665, 54132), (5205, 48516), (5598, 45110), (6220, 40599), (6246, 40430), (6940, 36387), (8086, 31230), (9022, 27990), (9330, 27066), (10410, 24258), (11196, 22555), (12129, 20820), (12492, 20215), (13533, 18660), (13995, 18044), (15615, 16172)]