42079140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 128539320

約数和(自身を除く): 86460180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1489, 1570, 1884, 2355, 2826, 2978, 3140, 4467, 4710, 5652, 5956, 7065, 7445, 8934, 9420, 13401, 14130, 14890, 17868, 22335, 26802, 28260, 29780, 44670, 53604, 67005, 89340, 134010, 233773, 268020, 467546, 701319, 935092, 1168865, 1402638, 2103957, 2337730, 2805276, 3506595, 4207914, 4675460, 7013190, 8415828, 10519785, 14026380, 21039570, 42079140]

約数ペア:

[(1, 42079140), (2, 21039570), (3, 14026380), (4, 10519785), (5, 8415828), (6, 7013190), (9, 4675460), (10, 4207914), (12, 3506595), (15, 2805276), (18, 2337730), (20, 2103957), (30, 1402638), (36, 1168865), (45, 935092), (60, 701319), (90, 467546), (157, 268020), (180, 233773), (314, 134010), (471, 89340), (628, 67005), (785, 53604), (942, 44670), (1413, 29780), (1489, 28260), (1570, 26802), (1884, 22335), (2355, 17868), (2826, 14890), (2978, 14130), (3140, 13401), (4467, 9420), (4710, 8934), (5652, 7445), (5956, 7065)]