1269820480

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^2\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 84

約数和(自身を含む): 3061845540

約数和(自身を除く): 1792025060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 389, 404, 505, 778, 808, 1010, 1556, 1616, 1945, 2020, 3112, 3232, 3890, 4040, 6224, 6464, 7780, 8080, 10201, 12448, 15560, 16160, 20402, 24896, 31120, 32320, 39289, 40804, 51005, 62240, 78578, 81608, 102010, 124480, 157156, 163216, 196445, 204020, 314312, 326432, 392890, 408040, 628624, 652864, 785780, 816080, 1257248, 1571560, 1632160, 2514496, 3143120, 3264320, 3968189, 6286240, 7936378, 12572480, 15872756, 19840945, 31745512, 39681890, 63491024, 79363780, 126982048, 158727560, 253964096, 317455120, 634910240, 1269820480]

約数ペア:

[(1, 1269820480), (2, 634910240), (4, 317455120), (5, 253964096), (8, 158727560), (10, 126982048), (16, 79363780), (20, 63491024), (32, 39681890), (40, 31745512), (64, 19840945), (80, 15872756), (101, 12572480), (160, 7936378), (202, 6286240), (320, 3968189), (389, 3264320), (404, 3143120), (505, 2514496), (778, 1632160), (808, 1571560), (1010, 1257248), (1556, 816080), (1616, 785780), (1945, 652864), (2020, 628624), (3112, 408040), (3232, 392890), (3890, 326432), (4040, 314312), (6224, 204020), (6464, 196445), (7780, 163216), (8080, 157156), (10201, 124480), (12448, 102010), (15560, 81608), (16160, 78578), (20402, 62240), (24896, 51005), (31120, 40804), (32320, 39289)]