25171380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 85123584

約数和(自身を除く): 59952204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 347, 372, 390, 403, 465, 468, 558, 585, 620, 694, 780, 806, 930, 1041, 1116, 1170, 1209, 1388, 1395, 1612, 1735, 1860, 2015, 2082, 2340, 2418, 2790, 3123, 3470, 3627, 4030, 4164, 4511, 4836, 5205, 5580, 6045, 6246, 6940, 7254, 8060, 9022, 10410, 10757, 12090, 12492, 13533, 14508, 15615, 18044, 18135, 20820, 21514, 22555, 24180, 27066, 31230, 32271, 36270, 40599, 43028, 45110, 53785, 54132, 62460, 64542, 67665, 72540, 81198, 90220, 96813, 107570, 129084, 135330, 139841, 161355, 162396, 193626, 202995, 215140, 270660, 279682, 322710, 387252, 405990, 419523, 484065, 559364, 645420, 699205, 811980, 839046, 968130, 1258569, 1398410, 1678092, 1936260, 2097615, 2517138, 2796820, 4195230, 5034276, 6292845, 8390460, 12585690, 25171380]

約数ペア:

[(1, 25171380), (2, 12585690), (3, 8390460), (4, 6292845), (5, 5034276), (6, 4195230), (9, 2796820), (10, 2517138), (12, 2097615), (13, 1936260), (15, 1678092), (18, 1398410), (20, 1258569), (26, 968130), (30, 839046), (31, 811980), (36, 699205), (39, 645420), (45, 559364), (52, 484065), (60, 419523), (62, 405990), (65, 387252), (78, 322710), (90, 279682), (93, 270660), (117, 215140), (124, 202995), (130, 193626), (155, 162396), (156, 161355), (180, 139841), (186, 135330), (195, 129084), (234, 107570), (260, 96813), (279, 90220), (310, 81198), (347, 72540), (372, 67665), (390, 64542), (403, 62460), (465, 54132), (468, 53785), (558, 45110), (585, 43028), (620, 40599), (694, 36270), (780, 32271), (806, 31230), (930, 27066), (1041, 24180), (1116, 22555), (1170, 21514), (1209, 20820), (1388, 18135), (1395, 18044), (1612, 15615), (1735, 14508), (1860, 13533), (2015, 12492), (2082, 12090), (2340, 10757), (2418, 10410), (2790, 9022), (3123, 8060), (3470, 7254), (3627, 6940), (4030, 6246), (4164, 6045), (4511, 5580), (4836, 5205)]