78270320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 189770592

約数和(自身を除く): 111500272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 344, 373, 430, 488, 610, 688, 746, 860, 976, 1220, 1492, 1720, 1865, 2440, 2623, 2984, 3440, 3730, 4880, 5246, 5968, 7460, 10492, 13115, 14920, 16039, 20984, 22753, 26230, 29840, 32078, 41968, 45506, 52460, 64156, 80195, 91012, 104920, 113765, 128312, 160390, 182024, 209840, 227530, 256624, 320780, 364048, 455060, 641560, 910120, 978379, 1283120, 1820240, 1956758, 3913516, 4891895, 7827032, 9783790, 15654064, 19567580, 39135160, 78270320]

約数ペア:

[(1, 78270320), (2, 39135160), (4, 19567580), (5, 15654064), (8, 9783790), (10, 7827032), (16, 4891895), (20, 3913516), (40, 1956758), (43, 1820240), (61, 1283120), (80, 978379), (86, 910120), (122, 641560), (172, 455060), (215, 364048), (244, 320780), (305, 256624), (344, 227530), (373, 209840), (430, 182024), (488, 160390), (610, 128312), (688, 113765), (746, 104920), (860, 91012), (976, 80195), (1220, 64156), (1492, 52460), (1720, 45506), (1865, 41968), (2440, 32078), (2623, 29840), (2984, 26230), (3440, 22753), (3730, 20984), (4880, 16039), (5246, 14920), (5968, 13115), (7460, 10492)]