77797980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33247}}^1$

素因数の和:33275

約数の個数: 72

約数和(自身を含む): 254147712

約数和(自身を除く): 176349732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 33247, 66494, 99741, 132988, 166235, 199482, 299223, 332470, 398964, 432211, 498705, 598446, 664940, 864422, 997410, 1196892, 1296633, 1496115, 1728844, 1994820, 2161055, 2593266, 2992230, 3889899, 4322110, 5186532, 5984460, 6483165, 7779798, 8644220, 12966330, 15559596, 19449495, 25932660, 38898990, 77797980]

約数ペア:

[(1, 77797980), (2, 38898990), (3, 25932660), (4, 19449495), (5, 15559596), (6, 12966330), (9, 8644220), (10, 7779798), (12, 6483165), (13, 5984460), (15, 5186532), (18, 4322110), (20, 3889899), (26, 2992230), (30, 2593266), (36, 2161055), (39, 1994820), (45, 1728844), (52, 1496115), (60, 1296633), (65, 1196892), (78, 997410), (90, 864422), (117, 664940), (130, 598446), (156, 498705), (180, 432211), (195, 398964), (234, 332470), (260, 299223), (390, 199482), (468, 166235), (585, 132988), (780, 99741), (1170, 66494), (2340, 33247)]