66690180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7945

約数の個数: 72

約数和(自身を含む): 206623872

約数和(自身を除く): 139933692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 7883, 8460, 15766, 23649, 31532, 39415, 47298, 70947, 78830, 94596, 118245, 141894, 157660, 236490, 283788, 354735, 370501, 472980, 709470, 741002, 1111503, 1418940, 1482004, 1852505, 2223006, 3334509, 3705010, 4446012, 5557515, 6669018, 7410020, 11115030, 13338036, 16672545, 22230060, 33345090, 66690180]

約数ペア:

[(1, 66690180), (2, 33345090), (3, 22230060), (4, 16672545), (5, 13338036), (6, 11115030), (9, 7410020), (10, 6669018), (12, 5557515), (15, 4446012), (18, 3705010), (20, 3334509), (30, 2223006), (36, 1852505), (45, 1482004), (47, 1418940), (60, 1111503), (90, 741002), (94, 709470), (141, 472980), (180, 370501), (188, 354735), (235, 283788), (282, 236490), (423, 157660), (470, 141894), (564, 118245), (705, 94596), (846, 78830), (940, 70947), (1410, 47298), (1692, 39415), (2115, 31532), (2820, 23649), (4230, 15766), (7883, 8460)]