128502720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 224

約数和(自身を含む): 460857600

約数和(自身を除く): 332354880

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, 64, 72, 80, 90, 96, 107, 108, 120, 135, 139, 144, 160, 180, 192, 214, 216, 240, 270, 278, 288, 320, 321, 360, 417, 428, 432, 480, 535, 540, 556, 576, 642, 695, 720, 834, 856, 864, 960, 963, 1070, 1080, 1112, 1251, 1284, 1390, 1440, 1605, 1668, 1712, 1728, 1926, 2085, 2140, 2160, 2224, 2502, 2568, 2780, 2880, 2889, 3210, 3336, 3424, 3753, 3852, 4170, 4280, 4320, 4448, 4815, 5004, 5136, 5560, 5778, 6255, 6420, 6672, 6848, 7506, 7704, 8340, 8560, 8640, 8896, 9630, 10008, 10272, 11120, 11556, 12510, 12840, 13344, 14445, 14873, 15012, 15408, 16680, 17120, 18765, 19260, 20016, 20544, 22240, 23112, 25020, 25680, 26688, 28890, 29746, 30024, 30816, 33360, 34240, 37530, 38520, 40032, 44480, 44619, 46224, 50040, 51360, 57780, 59492, 60048, 61632, 66720, 74365, 75060, 77040, 80064, 89238, 92448, 100080, 102720, 115560, 118984, 120096, 133440, 133857, 148730, 150120, 154080, 178476, 184896, 200160, 223095, 231120, 237968, 240192, 267714, 297460, 300240, 308160, 356952, 400320, 401571, 446190, 462240, 475936, 535428, 594920, 600480, 669285, 713904, 803142, 892380, 924480, 951872, 1070856, 1189840, 1200960, 1338570, 1427808, 1606284, 1784760, 2007855, 2141712, 2379680, 2677140, 2855616, 3212568, 3569520, 4015710, 4283424, 4759360, 5354280, 6425136, 7139040, 8031420, 8566848, 10708560, 12850272, 14278080, 16062840, 21417120, 25700544, 32125680, 42834240, 64251360, 128502720]

約数ペア:

[(1, 128502720), (2, 64251360), (3, 42834240), (4, 32125680), (5, 25700544), (6, 21417120), (8, 16062840), (9, 14278080), (10, 12850272), (12, 10708560), (15, 8566848), (16, 8031420), (18, 7139040), (20, 6425136), (24, 5354280), (27, 4759360), (30, 4283424), (32, 4015710), (36, 3569520), (40, 3212568), (45, 2855616), (48, 2677140), (54, 2379680), (60, 2141712), (64, 2007855), (72, 1784760), (80, 1606284), (90, 1427808), (96, 1338570), (107, 1200960), (108, 1189840), (120, 1070856), (135, 951872), (139, 924480), (144, 892380), (160, 803142), (180, 713904), (192, 669285), (214, 600480), (216, 594920), (240, 535428), (270, 475936), (278, 462240), (288, 446190), (320, 401571), (321, 400320), (360, 356952), (417, 308160), (428, 300240), (432, 297460), (480, 267714), (535, 240192), (540, 237968), (556, 231120), (576, 223095), (642, 200160), (695, 184896), (720, 178476), (834, 154080), (856, 150120), (864, 148730), (960, 133857), (963, 133440), (1070, 120096), (1080, 118984), (1112, 115560), (1251, 102720), (1284, 100080), (1390, 92448), (1440, 89238), (1605, 80064), (1668, 77040), (1712, 75060), (1728, 74365), (1926, 66720), (2085, 61632), (2140, 60048), (2160, 59492), (2224, 57780), (2502, 51360), (2568, 50040), (2780, 46224), (2880, 44619), (2889, 44480), (3210, 40032), (3336, 38520), (3424, 37530), (3753, 34240), (3852, 33360), (4170, 30816), (4280, 30024), (4320, 29746), (4448, 28890), (4815, 26688), (5004, 25680), (5136, 25020), (5560, 23112), (5778, 22240), (6255, 20544), (6420, 20016), (6672, 19260), (6848, 18765), (7506, 17120), (7704, 16680), (8340, 15408), (8560, 15012), (8640, 14873), (8896, 14445), (9630, 13344), (10008, 12840), (10272, 12510), (11120, 11556)]