100905120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 349090560

約数和(自身を除く): 248185440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 887, 948, 1185, 1264, 1422, 1440, 1580, 1774, 1896, 2370, 2528, 2661, 2844, 3160, 3548, 3555, 3792, 4435, 4740, 5322, 5688, 6320, 7096, 7110, 7584, 7983, 8870, 9480, 10644, 11376, 12640, 13305, 14192, 14220, 15966, 17740, 18960, 21288, 22752, 26610, 28384, 28440, 31932, 35480, 37920, 39915, 42576, 53220, 56880, 63864, 70073, 70960, 79830, 85152, 106440, 113760, 127728, 140146, 141920, 159660, 210219, 212880, 255456, 280292, 319320, 350365, 420438, 425760, 560584, 630657, 638640, 700730, 840876, 1051095, 1121168, 1261314, 1277280, 1401460, 1681752, 2102190, 2242336, 2522628, 2802920, 3153285, 3363504, 4204380, 5045256, 5605840, 6306570, 6727008, 8408760, 10090512, 11211680, 12613140, 16817520, 20181024, 25226280, 33635040, 50452560, 100905120]

約数ペア:

[(1, 100905120), (2, 50452560), (3, 33635040), (4, 25226280), (5, 20181024), (6, 16817520), (8, 12613140), (9, 11211680), (10, 10090512), (12, 8408760), (15, 6727008), (16, 6306570), (18, 5605840), (20, 5045256), (24, 4204380), (30, 3363504), (32, 3153285), (36, 2802920), (40, 2522628), (45, 2242336), (48, 2102190), (60, 1681752), (72, 1401460), (79, 1277280), (80, 1261314), (90, 1121168), (96, 1051095), (120, 840876), (144, 700730), (158, 638640), (160, 630657), (180, 560584), (237, 425760), (240, 420438), (288, 350365), (316, 319320), (360, 280292), (395, 255456), (474, 212880), (480, 210219), (632, 159660), (711, 141920), (720, 140146), (790, 127728), (887, 113760), (948, 106440), (1185, 85152), (1264, 79830), (1422, 70960), (1440, 70073), (1580, 63864), (1774, 56880), (1896, 53220), (2370, 42576), (2528, 39915), (2661, 37920), (2844, 35480), (3160, 31932), (3548, 28440), (3555, 28384), (3792, 26610), (4435, 22752), (4740, 21288), (5322, 18960), (5688, 17740), (6320, 15966), (7096, 14220), (7110, 14192), (7584, 13305), (7983, 12640), (8870, 11376), (9480, 10644)]