81045360

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 240

約数和(自身を含む): 308730240

約数和(自身を除く): 227684880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 297, 324, 330, 360, 379, 396, 405, 432, 440, 486, 495, 528, 540, 594, 648, 660, 720, 758, 792, 810, 880, 891, 972, 990, 1080, 1137, 1188, 1215, 1296, 1320, 1485, 1516, 1584, 1620, 1782, 1895, 1944, 1980, 2160, 2274, 2376, 2430, 2640, 2673, 2970, 3032, 3240, 3411, 3564, 3790, 3888, 3960, 4169, 4455, 4548, 4752, 4860, 5346, 5685, 5940, 6064, 6480, 6822, 7128, 7580, 7920, 8338, 8910, 9096, 9720, 10233, 10692, 11370, 11880, 12507, 13365, 13644, 14256, 15160, 16676, 17055, 17820, 18192, 19440, 20466, 20845, 21384, 22740, 23760, 25014, 26730, 27288, 30320, 30699, 33352, 34110, 35640, 37521, 40932, 41690, 42768, 45480, 50028, 51165, 53460, 54576, 61398, 62535, 66704, 68220, 71280, 75042, 81864, 83380, 90960, 92097, 100056, 102330, 106920, 112563, 122796, 125070, 136440, 150084, 153495, 163728, 166760, 184194, 187605, 200112, 204660, 213840, 225126, 245592, 250140, 272880, 300168, 306990, 333520, 337689, 368388, 375210, 409320, 450252, 460485, 491184, 500280, 562815, 600336, 613980, 675378, 736776, 750420, 818640, 900504, 920970, 1000560, 1013067, 1125630, 1227960, 1350756, 1473552, 1500840, 1688445, 1801008, 1841940, 2026134, 2251260, 2455920, 2701512, 3001680, 3376890, 3683880, 4052268, 4502520, 5065335, 5403024, 6753780, 7367760, 8104536, 9005040, 10130670, 13507560, 16209072, 20261340, 27015120, 40522680, 81045360]

約数ペア:

[(1, 81045360), (2, 40522680), (3, 27015120), (4, 20261340), (5, 16209072), (6, 13507560), (8, 10130670), (9, 9005040), (10, 8104536), (11, 7367760), (12, 6753780), (15, 5403024), (16, 5065335), (18, 4502520), (20, 4052268), (22, 3683880), (24, 3376890), (27, 3001680), (30, 2701512), (33, 2455920), (36, 2251260), (40, 2026134), (44, 1841940), (45, 1801008), (48, 1688445), (54, 1500840), (55, 1473552), (60, 1350756), (66, 1227960), (72, 1125630), (80, 1013067), (81, 1000560), (88, 920970), (90, 900504), (99, 818640), (108, 750420), (110, 736776), (120, 675378), (132, 613980), (135, 600336), (144, 562815), (162, 500280), (165, 491184), (176, 460485), (180, 450252), (198, 409320), (216, 375210), (220, 368388), (240, 337689), (243, 333520), (264, 306990), (270, 300168), (297, 272880), (324, 250140), (330, 245592), (360, 225126), (379, 213840), (396, 204660), (405, 200112), (432, 187605), (440, 184194), (486, 166760), (495, 163728), (528, 153495), (540, 150084), (594, 136440), (648, 125070), (660, 122796), (720, 112563), (758, 106920), (792, 102330), (810, 100056), (880, 92097), (891, 90960), (972, 83380), (990, 81864), (1080, 75042), (1137, 71280), (1188, 68220), (1215, 66704), (1296, 62535), (1320, 61398), (1485, 54576), (1516, 53460), (1584, 51165), (1620, 50028), (1782, 45480), (1895, 42768), (1944, 41690), (1980, 40932), (2160, 37521), (2274, 35640), (2376, 34110), (2430, 33352), (2640, 30699), (2673, 30320), (2970, 27288), (3032, 26730), (3240, 25014), (3411, 23760), (3564, 22740), (3790, 21384), (3888, 20845), (3960, 20466), (4169, 19440), (4455, 18192), (4548, 17820), (4752, 17055), (4860, 16676), (5346, 15160), (5685, 14256), (5940, 13644), (6064, 13365), (6480, 12507), (6822, 11880), (7128, 11370), (7580, 10692), (7920, 10233), (8338, 9720), (8910, 9096)]