78352120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25439}}^1$

素因数の和:25468

約数の個数: 64

約数和(自身を含む): 219801600

約数和(自身を除く): 141449480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25439, 50878, 101756, 127195, 178073, 203512, 254390, 279829, 356146, 508780, 559658, 712292, 890365, 1017560, 1119316, 1399145, 1424584, 1780730, 1958803, 2238632, 2798290, 3561460, 3917606, 5596580, 7122920, 7835212, 9794015, 11193160, 15670424, 19588030, 39176060, 78352120]

約数ペア:

[(1, 78352120), (2, 39176060), (4, 19588030), (5, 15670424), (7, 11193160), (8, 9794015), (10, 7835212), (11, 7122920), (14, 5596580), (20, 3917606), (22, 3561460), (28, 2798290), (35, 2238632), (40, 1958803), (44, 1780730), (55, 1424584), (56, 1399145), (70, 1119316), (77, 1017560), (88, 890365), (110, 712292), (140, 559658), (154, 508780), (220, 356146), (280, 279829), (308, 254390), (385, 203512), (440, 178073), (616, 127195), (770, 101756), (1540, 50878), (3080, 25439)]