221718240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2049

約数の個数: 144

約数和(自身を含む): 766584000

約数和(自身を除く): 544865760

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, 948, 1185, 1264, 1422, 1440, 1580, 1896, 1949, 2370, 2528, 2844, 3160, 3555, 3792, 3898, 4740, 5688, 5847, 6320, 7110, 7584, 7796, 9480, 9745, 11376, 11694, 12640, 14220, 15592, 17541, 18960, 19490, 22752, 23388, 28440, 29235, 31184, 35082, 37920, 38980, 46776, 56880, 58470, 62368, 70164, 77960, 87705, 93552, 113760, 116940, 140328, 153971, 155920, 175410, 187104, 233880, 280656, 307942, 311840, 350820, 461913, 467760, 561312, 615884, 701640, 769855, 923826, 935520, 1231768, 1385739, 1403280, 1539710, 1847652, 2309565, 2463536, 2771478, 2806560, 3079420, 3695304, 4619130, 4927072, 5542956, 6158840, 6928695, 7390608, 9238260, 11085912, 12317680, 13857390, 14781216, 18476520, 22171824, 24635360, 27714780, 36953040, 44343648, 55429560, 73906080, 110859120, 221718240]

約数ペア:

[(1, 221718240), (2, 110859120), (3, 73906080), (4, 55429560), (5, 44343648), (6, 36953040), (8, 27714780), (9, 24635360), (10, 22171824), (12, 18476520), (15, 14781216), (16, 13857390), (18, 12317680), (20, 11085912), (24, 9238260), (30, 7390608), (32, 6928695), (36, 6158840), (40, 5542956), (45, 4927072), (48, 4619130), (60, 3695304), (72, 3079420), (79, 2806560), (80, 2771478), (90, 2463536), (96, 2309565), (120, 1847652), (144, 1539710), (158, 1403280), (160, 1385739), (180, 1231768), (237, 935520), (240, 923826), (288, 769855), (316, 701640), (360, 615884), (395, 561312), (474, 467760), (480, 461913), (632, 350820), (711, 311840), (720, 307942), (790, 280656), (948, 233880), (1185, 187104), (1264, 175410), (1422, 155920), (1440, 153971), (1580, 140328), (1896, 116940), (1949, 113760), (2370, 93552), (2528, 87705), (2844, 77960), (3160, 70164), (3555, 62368), (3792, 58470), (3898, 56880), (4740, 46776), (5688, 38980), (5847, 37920), (6320, 35082), (7110, 31184), (7584, 29235), (7796, 28440), (9480, 23388), (9745, 22752), (11376, 19490), (11694, 18960), (12640, 17541), (14220, 15592)]