78481860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76943}}^1$

素因数の和:76972

約数の個数: 48

約数和(自身を含む): 232678656

約数和(自身を除く): 154196796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 76943, 153886, 230829, 307772, 384715, 461658, 769430, 923316, 1154145, 1308031, 1538860, 2308290, 2616062, 3924093, 4616580, 5232124, 6540155, 7848186, 13080310, 15696372, 19620465, 26160620, 39240930, 78481860]

約数ペア:

[(1, 78481860), (2, 39240930), (3, 26160620), (4, 19620465), (5, 15696372), (6, 13080310), (10, 7848186), (12, 6540155), (15, 5232124), (17, 4616580), (20, 3924093), (30, 2616062), (34, 2308290), (51, 1538860), (60, 1308031), (68, 1154145), (85, 923316), (102, 769430), (170, 461658), (204, 384715), (255, 307772), (340, 230829), (510, 153886), (1020, 76943)]