191221290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 554238720

約数和(自身を除く): 363017430

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 157, 195, 234, 270, 314, 347, 351, 390, 471, 585, 694, 702, 785, 942, 1041, 1170, 1413, 1570, 1735, 1755, 2041, 2082, 2355, 2826, 3123, 3470, 3510, 4082, 4239, 4511, 4710, 5205, 6123, 6246, 7065, 8478, 9022, 9369, 10205, 10410, 12246, 13533, 14130, 15615, 18369, 18738, 20410, 21195, 22555, 27066, 30615, 31230, 36738, 40599, 42390, 45110, 46845, 54479, 55107, 61230, 67665, 81198, 91845, 93690, 108958, 110214, 121797, 135330, 163437, 183690, 202995, 243594, 272395, 275535, 326874, 405990, 490311, 544790, 551070, 608985, 708227, 817185, 980622, 1217970, 1416454, 1470933, 1634370, 2124681, 2451555, 2941866, 3541135, 4249362, 4903110, 6374043, 7082270, 7354665, 10623405, 12748086, 14709330, 19122129, 21246810, 31870215, 38244258, 63740430, 95610645, 191221290]

約数ペア:

[(1, 191221290), (2, 95610645), (3, 63740430), (5, 38244258), (6, 31870215), (9, 21246810), (10, 19122129), (13, 14709330), (15, 12748086), (18, 10623405), (26, 7354665), (27, 7082270), (30, 6374043), (39, 4903110), (45, 4249362), (54, 3541135), (65, 2941866), (78, 2451555), (90, 2124681), (117, 1634370), (130, 1470933), (135, 1416454), (157, 1217970), (195, 980622), (234, 817185), (270, 708227), (314, 608985), (347, 551070), (351, 544790), (390, 490311), (471, 405990), (585, 326874), (694, 275535), (702, 272395), (785, 243594), (942, 202995), (1041, 183690), (1170, 163437), (1413, 135330), (1570, 121797), (1735, 110214), (1755, 108958), (2041, 93690), (2082, 91845), (2355, 81198), (2826, 67665), (3123, 61230), (3470, 55107), (3510, 54479), (4082, 46845), (4239, 45110), (4511, 42390), (4710, 40599), (5205, 36738), (6123, 31230), (6246, 30615), (7065, 27066), (8478, 22555), (9022, 21195), (9369, 20410), (10205, 18738), (10410, 18369), (12246, 15615), (13533, 14130)]