71620020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3863}}^1$

素因数の和:3981

約数の個数: 72

約数和(自身を含む): 219413376

約数和(自身を除く): 147793356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 3863, 4635, 6180, 7726, 9270, 11589, 15452, 18540, 19315, 23178, 34767, 38630, 46356, 57945, 69534, 77260, 115890, 139068, 173835, 231780, 347670, 397889, 695340, 795778, 1193667, 1591556, 1989445, 2387334, 3581001, 3978890, 4774668, 5968335, 7162002, 7957780, 11936670, 14324004, 17905005, 23873340, 35810010, 71620020]

約数ペア:

[(1, 71620020), (2, 35810010), (3, 23873340), (4, 17905005), (5, 14324004), (6, 11936670), (9, 7957780), (10, 7162002), (12, 5968335), (15, 4774668), (18, 3978890), (20, 3581001), (30, 2387334), (36, 1989445), (45, 1591556), (60, 1193667), (90, 795778), (103, 695340), (180, 397889), (206, 347670), (309, 231780), (412, 173835), (515, 139068), (618, 115890), (927, 77260), (1030, 69534), (1236, 57945), (1545, 46356), (1854, 38630), (2060, 34767), (3090, 23178), (3708, 19315), (3863, 18540), (4635, 15452), (6180, 11589), (7726, 9270)]