78641280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 320

約数和(自身を含む): 295467480

約数和(自身を除く): 216826200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 41, 45, 48, 54, 60, 64, 72, 74, 80, 81, 82, 90, 96, 108, 111, 120, 123, 128, 135, 144, 148, 160, 162, 164, 180, 185, 192, 205, 216, 222, 240, 246, 270, 288, 296, 320, 324, 328, 333, 360, 369, 370, 384, 405, 410, 432, 444, 480, 492, 540, 555, 576, 592, 615, 640, 648, 656, 666, 720, 738, 740, 810, 820, 864, 888, 960, 984, 999, 1080, 1107, 1110, 1152, 1184, 1230, 1296, 1312, 1332, 1440, 1476, 1480, 1517, 1620, 1640, 1665, 1728, 1776, 1845, 1920, 1968, 1998, 2160, 2214, 2220, 2368, 2460, 2592, 2624, 2664, 2880, 2952, 2960, 2997, 3034, 3240, 3280, 3321, 3330, 3456, 3552, 3690, 3936, 3996, 4320, 4428, 4440, 4551, 4736, 4920, 4995, 5184, 5248, 5328, 5535, 5760, 5904, 5920, 5994, 6068, 6480, 6560, 6642, 6660, 7104, 7380, 7585, 7872, 7992, 8640, 8856, 8880, 9102, 9840, 9990, 10368, 10656, 11070, 11808, 11840, 11988, 12136, 12960, 13120, 13284, 13320, 13653, 14208, 14760, 14985, 15170, 15744, 15984, 16605, 17280, 17712, 17760, 18204, 19680, 19980, 21312, 22140, 22755, 23616, 23680, 23976, 24272, 25920, 26240, 26568, 26640, 27306, 29520, 29970, 30340, 31968, 33210, 35424, 35520, 36408, 39360, 39960, 40959, 42624, 44280, 45510, 47232, 47952, 48544, 51840, 53136, 53280, 54612, 59040, 59940, 60680, 63936, 66420, 68265, 70848, 71040, 72816, 78720, 79920, 81918, 88560, 91020, 95904, 97088, 106272, 106560, 109224, 118080, 119880, 121360, 122877, 127872, 132840, 136530, 141696, 145632, 159840, 163836, 177120, 182040, 191808, 194176, 204795, 212544, 213120, 218448, 236160, 239760, 242720, 245754, 265680, 273060, 291264, 319680, 327672, 354240, 364080, 383616, 409590, 425088, 436896, 479520, 485440, 491508, 531360, 546120, 582528, 614385, 639360, 655344, 708480, 728160, 819180, 873792, 959040, 970880, 983016, 1062720, 1092240, 1228770, 1310688, 1456320, 1638360, 1747584, 1918080, 1966032, 2125440, 2184480, 2457540, 2621376, 2912640, 3276720, 3932064, 4368960, 4915080, 5242752, 6553440, 7864128, 8737920, 9830160, 13106880, 15728256, 19660320, 26213760, 39320640, 78641280]

約数ペア:

[(1, 78641280), (2, 39320640), (3, 26213760), (4, 19660320), (5, 15728256), (6, 13106880), (8, 9830160), (9, 8737920), (10, 7864128), (12, 6553440), (15, 5242752), (16, 4915080), (18, 4368960), (20, 3932064), (24, 3276720), (27, 2912640), (30, 2621376), (32, 2457540), (36, 2184480), (37, 2125440), (40, 1966032), (41, 1918080), (45, 1747584), (48, 1638360), (54, 1456320), (60, 1310688), (64, 1228770), (72, 1092240), (74, 1062720), (80, 983016), (81, 970880), (82, 959040), (90, 873792), (96, 819180), (108, 728160), (111, 708480), (120, 655344), (123, 639360), (128, 614385), (135, 582528), (144, 546120), (148, 531360), (160, 491508), (162, 485440), (164, 479520), (180, 436896), (185, 425088), (192, 409590), (205, 383616), (216, 364080), (222, 354240), (240, 327672), (246, 319680), (270, 291264), (288, 273060), (296, 265680), (320, 245754), (324, 242720), (328, 239760), (333, 236160), (360, 218448), (369, 213120), (370, 212544), (384, 204795), (405, 194176), (410, 191808), (432, 182040), (444, 177120), (480, 163836), (492, 159840), (540, 145632), (555, 141696), (576, 136530), (592, 132840), (615, 127872), (640, 122877), (648, 121360), (656, 119880), (666, 118080), (720, 109224), (738, 106560), (740, 106272), (810, 97088), (820, 95904), (864, 91020), (888, 88560), (960, 81918), (984, 79920), (999, 78720), (1080, 72816), (1107, 71040), (1110, 70848), (1152, 68265), (1184, 66420), (1230, 63936), (1296, 60680), (1312, 59940), (1332, 59040), (1440, 54612), (1476, 53280), (1480, 53136), (1517, 51840), (1620, 48544), (1640, 47952), (1665, 47232), (1728, 45510), (1776, 44280), (1845, 42624), (1920, 40959), (1968, 39960), (1998, 39360), (2160, 36408), (2214, 35520), (2220, 35424), (2368, 33210), (2460, 31968), (2592, 30340), (2624, 29970), (2664, 29520), (2880, 27306), (2952, 26640), (2960, 26568), (2997, 26240), (3034, 25920), (3240, 24272), (3280, 23976), (3321, 23680), (3330, 23616), (3456, 22755), (3552, 22140), (3690, 21312), (3936, 19980), (3996, 19680), (4320, 18204), (4428, 17760), (4440, 17712), (4551, 17280), (4736, 16605), (4920, 15984), (4995, 15744), (5184, 15170), (5248, 14985), (5328, 14760), (5535, 14208), (5760, 13653), (5904, 13320), (5920, 13284), (5994, 13120), (6068, 12960), (6480, 12136), (6560, 11988), (6642, 11840), (6660, 11808), (7104, 11070), (7380, 10656), (7585, 10368), (7872, 9990), (7992, 9840), (8640, 9102), (8856, 8880)]