49139280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 166551840

約数和(自身を除く): 117412560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 491, 556, 695, 720, 834, 982, 1112, 1251, 1390, 1473, 1668, 1964, 2085, 2224, 2455, 2502, 2780, 2946, 3336, 3928, 4170, 4419, 4910, 5004, 5560, 5892, 6255, 6672, 7365, 7856, 8340, 8838, 9820, 10008, 11120, 11784, 12510, 14730, 16680, 17676, 19640, 20016, 22095, 23568, 25020, 29460, 33360, 35352, 39280, 44190, 50040, 58920, 68249, 70704, 88380, 100080, 117840, 136498, 176760, 204747, 272996, 341245, 353520, 409494, 545992, 614241, 682490, 818988, 1023735, 1091984, 1228482, 1364980, 1637976, 2047470, 2456964, 2729960, 3071205, 3275952, 4094940, 4913928, 5459920, 6142410, 8189880, 9827856, 12284820, 16379760, 24569640, 49139280]

約数ペア:

[(1, 49139280), (2, 24569640), (3, 16379760), (4, 12284820), (5, 9827856), (6, 8189880), (8, 6142410), (9, 5459920), (10, 4913928), (12, 4094940), (15, 3275952), (16, 3071205), (18, 2729960), (20, 2456964), (24, 2047470), (30, 1637976), (36, 1364980), (40, 1228482), (45, 1091984), (48, 1023735), (60, 818988), (72, 682490), (80, 614241), (90, 545992), (120, 409494), (139, 353520), (144, 341245), (180, 272996), (240, 204747), (278, 176760), (360, 136498), (417, 117840), (491, 100080), (556, 88380), (695, 70704), (720, 68249), (834, 58920), (982, 50040), (1112, 44190), (1251, 39280), (1390, 35352), (1473, 33360), (1668, 29460), (1964, 25020), (2085, 23568), (2224, 22095), (2455, 20016), (2502, 19640), (2780, 17676), (2946, 16680), (3336, 14730), (3928, 12510), (4170, 11784), (4419, 11120), (4910, 10008), (5004, 9820), (5560, 8838), (5892, 8340), (6255, 7856), (6672, 7365)]