278195040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 192

約数和(自身を含む): 988485120

約数和(自身を除く): 710290080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 426, 432, 480, 540, 568, 639, 710, 720, 852, 864, 907, 1065, 1080, 1136, 1278, 1420, 1440, 1704, 1814, 1917, 2130, 2160, 2272, 2556, 2721, 2840, 3195, 3408, 3628, 3834, 4260, 4320, 4535, 5112, 5442, 5680, 6390, 6816, 7256, 7668, 8163, 8520, 9070, 9585, 10224, 10884, 11360, 12780, 13605, 14512, 15336, 16326, 17040, 18140, 19170, 20448, 21768, 24489, 25560, 27210, 29024, 30672, 32652, 34080, 36280, 38340, 40815, 43536, 48978, 51120, 54420, 61344, 64397, 65304, 72560, 76680, 81630, 87072, 97956, 102240, 108840, 122445, 128794, 130608, 145120, 153360, 163260, 193191, 195912, 217680, 244890, 257588, 261216, 306720, 321985, 326520, 386382, 391824, 435360, 489780, 515176, 579573, 643970, 653040, 772764, 783648, 965955, 979560, 1030352, 1159146, 1287940, 1306080, 1545528, 1738719, 1931910, 1959120, 2060704, 2318292, 2575880, 2897865, 3091056, 3477438, 3863820, 3918240, 4636584, 5151760, 5795730, 6182112, 6954876, 7727640, 8693595, 9273168, 10303520, 11591460, 13909752, 15455280, 17387190, 18546336, 23182920, 27819504, 30910560, 34774380, 46365840, 55639008, 69548760, 92731680, 139097520, 278195040]

約数ペア:

[(1, 278195040), (2, 139097520), (3, 92731680), (4, 69548760), (5, 55639008), (6, 46365840), (8, 34774380), (9, 30910560), (10, 27819504), (12, 23182920), (15, 18546336), (16, 17387190), (18, 15455280), (20, 13909752), (24, 11591460), (27, 10303520), (30, 9273168), (32, 8693595), (36, 7727640), (40, 6954876), (45, 6182112), (48, 5795730), (54, 5151760), (60, 4636584), (71, 3918240), (72, 3863820), (80, 3477438), (90, 3091056), (96, 2897865), (108, 2575880), (120, 2318292), (135, 2060704), (142, 1959120), (144, 1931910), (160, 1738719), (180, 1545528), (213, 1306080), (216, 1287940), (240, 1159146), (270, 1030352), (284, 979560), (288, 965955), (355, 783648), (360, 772764), (426, 653040), (432, 643970), (480, 579573), (540, 515176), (568, 489780), (639, 435360), (710, 391824), (720, 386382), (852, 326520), (864, 321985), (907, 306720), (1065, 261216), (1080, 257588), (1136, 244890), (1278, 217680), (1420, 195912), (1440, 193191), (1704, 163260), (1814, 153360), (1917, 145120), (2130, 130608), (2160, 128794), (2272, 122445), (2556, 108840), (2721, 102240), (2840, 97956), (3195, 87072), (3408, 81630), (3628, 76680), (3834, 72560), (4260, 65304), (4320, 64397), (4535, 61344), (5112, 54420), (5442, 51120), (5680, 48978), (6390, 43536), (6816, 40815), (7256, 38340), (7668, 36280), (8163, 34080), (8520, 32652), (9070, 30672), (9585, 29024), (10224, 27210), (10884, 25560), (11360, 24489), (12780, 21768), (13605, 20448), (14512, 19170), (15336, 18140), (16326, 17040)]