80315040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 192

約数和(自身を含む): 278232192

約数和(自身を除く): 197917152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 65, 78, 80, 96, 104, 120, 122, 130, 156, 160, 183, 195, 208, 211, 240, 244, 260, 305, 312, 366, 390, 416, 422, 480, 488, 520, 610, 624, 633, 732, 780, 793, 844, 915, 976, 1040, 1055, 1220, 1248, 1266, 1464, 1560, 1586, 1688, 1830, 1952, 2080, 2110, 2379, 2440, 2532, 2743, 2928, 3120, 3165, 3172, 3376, 3660, 3965, 4220, 4758, 4880, 5064, 5486, 5856, 6240, 6330, 6344, 6752, 7320, 7930, 8229, 8440, 9516, 9760, 10128, 10972, 11895, 12660, 12688, 12871, 13715, 14640, 15860, 16458, 16880, 19032, 20256, 21944, 23790, 25320, 25376, 25742, 27430, 29280, 31720, 32916, 33760, 38064, 38613, 41145, 43888, 47580, 50640, 51484, 54860, 63440, 64355, 65832, 76128, 77226, 82290, 87776, 95160, 101280, 102968, 109720, 126880, 128710, 131664, 154452, 164580, 167323, 190320, 193065, 205936, 219440, 257420, 263328, 308904, 329160, 334646, 380640, 386130, 411872, 438880, 501969, 514840, 617808, 658320, 669292, 772260, 836615, 1003938, 1029680, 1235616, 1316640, 1338584, 1544520, 1673230, 2007876, 2059360, 2509845, 2677168, 3089040, 3346460, 4015752, 5019690, 5354336, 6178080, 6692920, 8031504, 10039380, 13385840, 16063008, 20078760, 26771680, 40157520, 80315040]

約数ペア:

[(1, 80315040), (2, 40157520), (3, 26771680), (4, 20078760), (5, 16063008), (6, 13385840), (8, 10039380), (10, 8031504), (12, 6692920), (13, 6178080), (15, 5354336), (16, 5019690), (20, 4015752), (24, 3346460), (26, 3089040), (30, 2677168), (32, 2509845), (39, 2059360), (40, 2007876), (48, 1673230), (52, 1544520), (60, 1338584), (61, 1316640), (65, 1235616), (78, 1029680), (80, 1003938), (96, 836615), (104, 772260), (120, 669292), (122, 658320), (130, 617808), (156, 514840), (160, 501969), (183, 438880), (195, 411872), (208, 386130), (211, 380640), (240, 334646), (244, 329160), (260, 308904), (305, 263328), (312, 257420), (366, 219440), (390, 205936), (416, 193065), (422, 190320), (480, 167323), (488, 164580), (520, 154452), (610, 131664), (624, 128710), (633, 126880), (732, 109720), (780, 102968), (793, 101280), (844, 95160), (915, 87776), (976, 82290), (1040, 77226), (1055, 76128), (1220, 65832), (1248, 64355), (1266, 63440), (1464, 54860), (1560, 51484), (1586, 50640), (1688, 47580), (1830, 43888), (1952, 41145), (2080, 38613), (2110, 38064), (2379, 33760), (2440, 32916), (2532, 31720), (2743, 29280), (2928, 27430), (3120, 25742), (3165, 25376), (3172, 25320), (3376, 23790), (3660, 21944), (3965, 20256), (4220, 19032), (4758, 16880), (4880, 16458), (5064, 15860), (5486, 14640), (5856, 13715), (6240, 12871), (6330, 12688), (6344, 12660), (6752, 11895), (7320, 10972), (7930, 10128), (8229, 9760), (8440, 9516)]