1660140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 5267808

約数和(自身を除く): 3607668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 401, 414, 460, 690, 802, 828, 1035, 1203, 1380, 1604, 2005, 2070, 2406, 3609, 4010, 4140, 4812, 6015, 7218, 8020, 9223, 12030, 14436, 18045, 18446, 24060, 27669, 36090, 36892, 46115, 55338, 72180, 83007, 92230, 110676, 138345, 166014, 184460, 276690, 332028, 415035, 553380, 830070, 1660140]

約数ペア:

[(1, 1660140), (2, 830070), (3, 553380), (4, 415035), (5, 332028), (6, 276690), (9, 184460), (10, 166014), (12, 138345), (15, 110676), (18, 92230), (20, 83007), (23, 72180), (30, 55338), (36, 46115), (45, 36892), (46, 36090), (60, 27669), (69, 24060), (90, 18446), (92, 18045), (115, 14436), (138, 12030), (180, 9223), (207, 8020), (230, 7218), (276, 6015), (345, 4812), (401, 4140), (414, 4010), (460, 3609), (690, 2406), (802, 2070), (828, 2005), (1035, 1604), (1203, 1380)]