1563780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 4455360

約数和(自身を除く): 2891580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 389, 402, 670, 778, 804, 1005, 1167, 1340, 1556, 1945, 2010, 2334, 3890, 4020, 4668, 5835, 7780, 11670, 23340, 26063, 52126, 78189, 104252, 130315, 156378, 260630, 312756, 390945, 521260, 781890, 1563780]

約数ペア:

[(1, 1563780), (2, 781890), (3, 521260), (4, 390945), (5, 312756), (6, 260630), (10, 156378), (12, 130315), (15, 104252), (20, 78189), (30, 52126), (60, 26063), (67, 23340), (134, 11670), (201, 7780), (268, 5835), (335, 4668), (389, 4020), (402, 3890), (670, 2334), (778, 2010), (804, 1945), (1005, 1556), (1167, 1340)]