71338280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 177678360

約数和(自身を除く): 106340080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 169, 173, 244, 260, 305, 338, 346, 488, 520, 610, 676, 692, 793, 845, 865, 1220, 1352, 1384, 1586, 1690, 1730, 2249, 2440, 3172, 3380, 3460, 3965, 4498, 6344, 6760, 6920, 7930, 8996, 10309, 10553, 11245, 15860, 17992, 20618, 21106, 22490, 29237, 31720, 41236, 42212, 44980, 51545, 52765, 58474, 82472, 84424, 89960, 103090, 105530, 116948, 137189, 146185, 206180, 211060, 233896, 274378, 292370, 412360, 422120, 548756, 584740, 685945, 1097512, 1169480, 1371890, 1783457, 2743780, 3566914, 5487560, 7133828, 8917285, 14267656, 17834570, 35669140, 71338280]

約数ペア:

[(1, 71338280), (2, 35669140), (4, 17834570), (5, 14267656), (8, 8917285), (10, 7133828), (13, 5487560), (20, 3566914), (26, 2743780), (40, 1783457), (52, 1371890), (61, 1169480), (65, 1097512), (104, 685945), (122, 584740), (130, 548756), (169, 422120), (173, 412360), (244, 292370), (260, 274378), (305, 233896), (338, 211060), (346, 206180), (488, 146185), (520, 137189), (610, 116948), (676, 105530), (692, 103090), (793, 89960), (845, 84424), (865, 82472), (1220, 58474), (1352, 52765), (1384, 51545), (1586, 44980), (1690, 42212), (1730, 41236), (2249, 31720), (2440, 29237), (3172, 22490), (3380, 21106), (3460, 20618), (3965, 17992), (4498, 15860), (6344, 11245), (6760, 10553), (6920, 10309), (7930, 8996)]