78728760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 294944760

約数和(自身を除く): 216216000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 47, 54, 55, 60, 66, 72, 81, 88, 90, 94, 99, 108, 110, 120, 132, 135, 141, 162, 165, 180, 188, 198, 216, 220, 235, 264, 270, 282, 297, 324, 330, 360, 376, 396, 405, 423, 440, 470, 495, 517, 540, 564, 594, 648, 660, 705, 792, 810, 846, 891, 940, 990, 1034, 1080, 1128, 1188, 1269, 1320, 1410, 1485, 1551, 1620, 1692, 1782, 1880, 1980, 2068, 2115, 2209, 2376, 2538, 2585, 2820, 2970, 3102, 3240, 3384, 3564, 3807, 3960, 4136, 4230, 4418, 4455, 4653, 5076, 5170, 5640, 5940, 6204, 6345, 6627, 7128, 7614, 7755, 8460, 8836, 8910, 9306, 10152, 10340, 11045, 11880, 12408, 12690, 13254, 13959, 15228, 15510, 16920, 17672, 17820, 18612, 19035, 19881, 20680, 22090, 23265, 24299, 25380, 26508, 27918, 30456, 31020, 33135, 35640, 37224, 38070, 39762, 41877, 44180, 46530, 48598, 50760, 53016, 55836, 59643, 62040, 66270, 69795, 72897, 76140, 79524, 83754, 88360, 93060, 97196, 99405, 111672, 119286, 121495, 132540, 139590, 145794, 152280, 159048, 167508, 178929, 186120, 194392, 198810, 209385, 218691, 238572, 242990, 265080, 279180, 291588, 298215, 335016, 357858, 364485, 397620, 418770, 437382, 477144, 485980, 558360, 583176, 596430, 656073, 715716, 728970, 795240, 837540, 874764, 894645, 971960, 1093455, 1192860, 1312146, 1431432, 1457940, 1675080, 1749528, 1789290, 1968219, 2186910, 2385720, 2624292, 2915880, 3280365, 3578580, 3936438, 4373820, 5248584, 6560730, 7157160, 7872876, 8747640, 9841095, 13121460, 15745752, 19682190, 26242920, 39364380, 78728760]

約数ペア:

[(1, 78728760), (2, 39364380), (3, 26242920), (4, 19682190), (5, 15745752), (6, 13121460), (8, 9841095), (9, 8747640), (10, 7872876), (11, 7157160), (12, 6560730), (15, 5248584), (18, 4373820), (20, 3936438), (22, 3578580), (24, 3280365), (27, 2915880), (30, 2624292), (33, 2385720), (36, 2186910), (40, 1968219), (44, 1789290), (45, 1749528), (47, 1675080), (54, 1457940), (55, 1431432), (60, 1312146), (66, 1192860), (72, 1093455), (81, 971960), (88, 894645), (90, 874764), (94, 837540), (99, 795240), (108, 728970), (110, 715716), (120, 656073), (132, 596430), (135, 583176), (141, 558360), (162, 485980), (165, 477144), (180, 437382), (188, 418770), (198, 397620), (216, 364485), (220, 357858), (235, 335016), (264, 298215), (270, 291588), (282, 279180), (297, 265080), (324, 242990), (330, 238572), (360, 218691), (376, 209385), (396, 198810), (405, 194392), (423, 186120), (440, 178929), (470, 167508), (495, 159048), (517, 152280), (540, 145794), (564, 139590), (594, 132540), (648, 121495), (660, 119286), (705, 111672), (792, 99405), (810, 97196), (846, 93060), (891, 88360), (940, 83754), (990, 79524), (1034, 76140), (1080, 72897), (1128, 69795), (1188, 66270), (1269, 62040), (1320, 59643), (1410, 55836), (1485, 53016), (1551, 50760), (1620, 48598), (1692, 46530), (1782, 44180), (1880, 41877), (1980, 39762), (2068, 38070), (2115, 37224), (2209, 35640), (2376, 33135), (2538, 31020), (2585, 30456), (2820, 27918), (2970, 26508), (3102, 25380), (3240, 24299), (3384, 23265), (3564, 22090), (3807, 20680), (3960, 19881), (4136, 19035), (4230, 18612), (4418, 17820), (4455, 17672), (4653, 16920), (5076, 15510), (5170, 15228), (5640, 13959), (5940, 13254), (6204, 12690), (6345, 12408), (6627, 11880), (7128, 11045), (7614, 10340), (7755, 10152), (8460, 9306), (8836, 8910)]