78756720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 293293728

約数和(自身を除く): 214537008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 49, 56, 60, 70, 74, 80, 84, 98, 105, 111, 112, 120, 140, 147, 148, 168, 181, 185, 196, 210, 222, 240, 245, 259, 280, 294, 296, 336, 362, 370, 392, 420, 444, 490, 518, 543, 555, 560, 588, 592, 724, 735, 740, 777, 784, 840, 888, 905, 980, 1036, 1086, 1110, 1176, 1267, 1295, 1448, 1470, 1480, 1554, 1680, 1776, 1810, 1813, 1960, 2072, 2172, 2220, 2352, 2534, 2590, 2715, 2896, 2940, 2960, 3108, 3620, 3626, 3801, 3885, 3920, 4144, 4344, 4440, 5068, 5180, 5430, 5439, 5880, 6216, 6335, 6697, 7240, 7252, 7602, 7770, 8688, 8869, 8880, 9065, 10136, 10360, 10860, 10878, 11760, 12432, 12670, 13394, 14480, 14504, 15204, 15540, 17738, 18130, 19005, 20091, 20272, 20720, 21720, 21756, 25340, 26607, 26788, 27195, 29008, 30408, 31080, 33485, 35476, 36260, 38010, 40182, 43440, 43512, 44345, 46879, 50680, 53214, 53576, 54390, 60816, 62160, 66970, 70952, 72520, 76020, 80364, 87024, 88690, 93758, 100455, 101360, 106428, 107152, 108780, 133035, 133940, 140637, 141904, 145040, 152040, 160728, 177380, 187516, 200910, 212856, 217560, 234395, 266070, 267880, 281274, 304080, 321456, 328153, 354760, 375032, 401820, 425712, 435120, 468790, 532140, 535760, 562548, 656306, 703185, 709520, 750064, 803640, 937580, 984459, 1064280, 1125096, 1312612, 1406370, 1607280, 1640765, 1875160, 1968918, 2128560, 2250192, 2625224, 2812740, 3281530, 3750320, 3937836, 4922295, 5250448, 5625480, 6563060, 7875672, 9844590, 11250960, 13126120, 15751344, 19689180, 26252240, 39378360, 78756720]

約数ペア:

[(1, 78756720), (2, 39378360), (3, 26252240), (4, 19689180), (5, 15751344), (6, 13126120), (7, 11250960), (8, 9844590), (10, 7875672), (12, 6563060), (14, 5625480), (15, 5250448), (16, 4922295), (20, 3937836), (21, 3750320), (24, 3281530), (28, 2812740), (30, 2625224), (35, 2250192), (37, 2128560), (40, 1968918), (42, 1875160), (48, 1640765), (49, 1607280), (56, 1406370), (60, 1312612), (70, 1125096), (74, 1064280), (80, 984459), (84, 937580), (98, 803640), (105, 750064), (111, 709520), (112, 703185), (120, 656306), (140, 562548), (147, 535760), (148, 532140), (168, 468790), (181, 435120), (185, 425712), (196, 401820), (210, 375032), (222, 354760), (240, 328153), (245, 321456), (259, 304080), (280, 281274), (294, 267880), (296, 266070), (336, 234395), (362, 217560), (370, 212856), (392, 200910), (420, 187516), (444, 177380), (490, 160728), (518, 152040), (543, 145040), (555, 141904), (560, 140637), (588, 133940), (592, 133035), (724, 108780), (735, 107152), (740, 106428), (777, 101360), (784, 100455), (840, 93758), (888, 88690), (905, 87024), (980, 80364), (1036, 76020), (1086, 72520), (1110, 70952), (1176, 66970), (1267, 62160), (1295, 60816), (1448, 54390), (1470, 53576), (1480, 53214), (1554, 50680), (1680, 46879), (1776, 44345), (1810, 43512), (1813, 43440), (1960, 40182), (2072, 38010), (2172, 36260), (2220, 35476), (2352, 33485), (2534, 31080), (2590, 30408), (2715, 29008), (2896, 27195), (2940, 26788), (2960, 26607), (3108, 25340), (3620, 21756), (3626, 21720), (3801, 20720), (3885, 20272), (3920, 20091), (4144, 19005), (4344, 18130), (4440, 17738), (5068, 15540), (5180, 15204), (5430, 14504), (5439, 14480), (5880, 13394), (6216, 12670), (6335, 12432), (6697, 11760), (7240, 10878), (7252, 10860), (7602, 10360), (7770, 10136), (8688, 9065), (8869, 8880)]