81632640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 286856640

約数和(自身を除く): 205224000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 61, 64, 68, 80, 82, 85, 96, 102, 120, 122, 123, 128, 136, 160, 164, 170, 183, 192, 204, 205, 240, 244, 246, 255, 272, 305, 320, 328, 340, 366, 384, 408, 410, 480, 488, 492, 510, 544, 610, 615, 640, 656, 680, 697, 732, 816, 820, 915, 960, 976, 984, 1020, 1037, 1088, 1220, 1230, 1312, 1360, 1394, 1464, 1632, 1640, 1830, 1920, 1952, 1968, 2040, 2074, 2091, 2176, 2440, 2460, 2501, 2624, 2720, 2788, 2928, 3111, 3264, 3280, 3485, 3660, 3904, 3936, 4080, 4148, 4182, 4880, 4920, 5002, 5185, 5248, 5440, 5576, 5856, 6222, 6528, 6560, 6970, 7320, 7503, 7808, 7872, 8160, 8296, 8364, 9760, 9840, 10004, 10370, 10455, 10880, 11152, 11712, 12444, 12505, 13120, 13940, 14640, 15006, 15555, 15744, 16320, 16592, 16728, 19520, 19680, 20008, 20740, 20910, 22304, 23424, 24888, 25010, 26240, 27880, 29280, 30012, 31110, 32640, 33184, 33456, 37515, 39040, 39360, 40016, 41480, 41820, 42517, 44608, 49776, 50020, 55760, 58560, 60024, 62220, 66368, 66912, 75030, 78720, 80032, 82960, 83640, 85034, 89216, 99552, 100040, 111520, 117120, 120048, 124440, 127551, 132736, 133824, 150060, 160064, 165920, 167280, 170068, 199104, 200080, 212585, 223040, 240096, 248880, 255102, 267648, 300120, 320128, 331840, 334560, 340136, 398208, 400160, 425170, 446080, 480192, 497760, 510204, 600240, 637755, 663680, 669120, 680272, 800320, 850340, 960384, 995520, 1020408, 1200480, 1275510, 1338240, 1360544, 1600640, 1700680, 1991040, 2040816, 2400960, 2551020, 2721088, 3401360, 4081632, 4801920, 5102040, 5442176, 6802720, 8163264, 10204080, 13605440, 16326528, 20408160, 27210880, 40816320, 81632640]

約数ペア:

[(1, 81632640), (2, 40816320), (3, 27210880), (4, 20408160), (5, 16326528), (6, 13605440), (8, 10204080), (10, 8163264), (12, 6802720), (15, 5442176), (16, 5102040), (17, 4801920), (20, 4081632), (24, 3401360), (30, 2721088), (32, 2551020), (34, 2400960), (40, 2040816), (41, 1991040), (48, 1700680), (51, 1600640), (60, 1360544), (61, 1338240), (64, 1275510), (68, 1200480), (80, 1020408), (82, 995520), (85, 960384), (96, 850340), (102, 800320), (120, 680272), (122, 669120), (123, 663680), (128, 637755), (136, 600240), (160, 510204), (164, 497760), (170, 480192), (183, 446080), (192, 425170), (204, 400160), (205, 398208), (240, 340136), (244, 334560), (246, 331840), (255, 320128), (272, 300120), (305, 267648), (320, 255102), (328, 248880), (340, 240096), (366, 223040), (384, 212585), (408, 200080), (410, 199104), (480, 170068), (488, 167280), (492, 165920), (510, 160064), (544, 150060), (610, 133824), (615, 132736), (640, 127551), (656, 124440), (680, 120048), (697, 117120), (732, 111520), (816, 100040), (820, 99552), (915, 89216), (960, 85034), (976, 83640), (984, 82960), (1020, 80032), (1037, 78720), (1088, 75030), (1220, 66912), (1230, 66368), (1312, 62220), (1360, 60024), (1394, 58560), (1464, 55760), (1632, 50020), (1640, 49776), (1830, 44608), (1920, 42517), (1952, 41820), (1968, 41480), (2040, 40016), (2074, 39360), (2091, 39040), (2176, 37515), (2440, 33456), (2460, 33184), (2501, 32640), (2624, 31110), (2720, 30012), (2788, 29280), (2928, 27880), (3111, 26240), (3264, 25010), (3280, 24888), (3485, 23424), (3660, 22304), (3904, 20910), (3936, 20740), (4080, 20008), (4148, 19680), (4182, 19520), (4880, 16728), (4920, 16592), (5002, 16320), (5185, 15744), (5248, 15555), (5440, 15006), (5576, 14640), (5856, 13940), (6222, 13120), (6528, 12505), (6560, 12444), (6970, 11712), (7320, 11152), (7503, 10880), (7808, 10455), (7872, 10370), (8160, 10004), (8296, 9840), (8364, 9760)]