80124720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 160

約数和(自身を含む): 272524224

約数和(自身を除く): 192399504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 421, 488, 520, 610, 624, 732, 780, 793, 842, 915, 976, 1040, 1220, 1263, 1464, 1560, 1586, 1684, 1830, 2105, 2379, 2440, 2526, 2928, 3120, 3172, 3368, 3660, 3965, 4210, 4758, 4880, 5052, 5473, 6315, 6344, 6736, 7320, 7930, 8420, 9516, 10104, 10946, 11895, 12630, 12688, 14640, 15860, 16419, 16840, 19032, 20208, 21892, 23790, 25260, 25681, 27365, 31720, 32838, 33680, 38064, 43784, 47580, 50520, 51362, 54730, 63440, 65676, 77043, 82095, 87568, 95160, 101040, 102724, 109460, 128405, 131352, 154086, 164190, 190320, 205448, 218920, 256810, 262704, 308172, 328380, 333853, 385215, 410896, 437840, 513620, 616344, 656760, 667706, 770430, 1001559, 1027240, 1232688, 1313520, 1335412, 1540860, 1669265, 2003118, 2054480, 2670824, 3081720, 3338530, 4006236, 5007795, 5341648, 6163440, 6677060, 8012472, 10015590, 13354120, 16024944, 20031180, 26708240, 40062360, 80124720]

約数ペア:

[(1, 80124720), (2, 40062360), (3, 26708240), (4, 20031180), (5, 16024944), (6, 13354120), (8, 10015590), (10, 8012472), (12, 6677060), (13, 6163440), (15, 5341648), (16, 5007795), (20, 4006236), (24, 3338530), (26, 3081720), (30, 2670824), (39, 2054480), (40, 2003118), (48, 1669265), (52, 1540860), (60, 1335412), (61, 1313520), (65, 1232688), (78, 1027240), (80, 1001559), (104, 770430), (120, 667706), (122, 656760), (130, 616344), (156, 513620), (183, 437840), (195, 410896), (208, 385215), (240, 333853), (244, 328380), (260, 308172), (305, 262704), (312, 256810), (366, 218920), (390, 205448), (421, 190320), (488, 164190), (520, 154086), (610, 131352), (624, 128405), (732, 109460), (780, 102724), (793, 101040), (842, 95160), (915, 87568), (976, 82095), (1040, 77043), (1220, 65676), (1263, 63440), (1464, 54730), (1560, 51362), (1586, 50520), (1684, 47580), (1830, 43784), (2105, 38064), (2379, 33680), (2440, 32838), (2526, 31720), (2928, 27365), (3120, 25681), (3172, 25260), (3368, 23790), (3660, 21892), (3965, 20208), (4210, 19032), (4758, 16840), (4880, 16419), (5052, 15860), (5473, 14640), (6315, 12688), (6344, 12630), (6736, 11895), (7320, 10946), (7930, 10104), (8420, 9516)]