131215968

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 406997136

約数和(自身を除く): 275781168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 101, 104, 117, 144, 156, 202, 208, 234, 288, 303, 312, 347, 404, 416, 468, 606, 624, 694, 808, 909, 936, 1041, 1212, 1248, 1313, 1388, 1616, 1818, 1872, 2082, 2424, 2626, 2776, 3123, 3232, 3636, 3744, 3939, 4164, 4511, 4848, 5252, 5552, 6246, 7272, 7878, 8328, 9022, 9696, 10504, 11104, 11817, 12492, 13533, 14544, 15756, 16656, 18044, 21008, 23634, 24984, 27066, 29088, 31512, 33312, 35047, 36088, 40599, 42016, 47268, 49968, 54132, 63024, 70094, 72176, 81198, 94536, 99936, 105141, 108264, 126048, 140188, 144352, 162396, 189072, 210282, 216528, 280376, 315423, 324792, 378144, 420564, 433056, 455611, 560752, 630846, 649584, 841128, 911222, 1121504, 1261692, 1299168, 1366833, 1682256, 1822444, 2523384, 2733666, 3364512, 3644888, 4100499, 5046768, 5467332, 7289776, 8200998, 10093536, 10934664, 14579552, 16401996, 21869328, 32803992, 43738656, 65607984, 131215968]

約数ペア:

[(1, 131215968), (2, 65607984), (3, 43738656), (4, 32803992), (6, 21869328), (8, 16401996), (9, 14579552), (12, 10934664), (13, 10093536), (16, 8200998), (18, 7289776), (24, 5467332), (26, 5046768), (32, 4100499), (36, 3644888), (39, 3364512), (48, 2733666), (52, 2523384), (72, 1822444), (78, 1682256), (96, 1366833), (101, 1299168), (104, 1261692), (117, 1121504), (144, 911222), (156, 841128), (202, 649584), (208, 630846), (234, 560752), (288, 455611), (303, 433056), (312, 420564), (347, 378144), (404, 324792), (416, 315423), (468, 280376), (606, 216528), (624, 210282), (694, 189072), (808, 162396), (909, 144352), (936, 140188), (1041, 126048), (1212, 108264), (1248, 105141), (1313, 99936), (1388, 94536), (1616, 81198), (1818, 72176), (1872, 70094), (2082, 63024), (2424, 54132), (2626, 49968), (2776, 47268), (3123, 42016), (3232, 40599), (3636, 36088), (3744, 35047), (3939, 33312), (4164, 31512), (4511, 29088), (4848, 27066), (5252, 24984), (5552, 23634), (6246, 21008), (7272, 18044), (7878, 16656), (8328, 15756), (9022, 14544), (9696, 13533), (10504, 12492), (11104, 11817)]