61718280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39563}}^1$

素因数の和:39590

約数の個数: 64

約数和(自身を含む): 199402560

約数和(自身を除く): 137684280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 39563, 79126, 118689, 158252, 197815, 237378, 316504, 395630, 474756, 514319, 593445, 791260, 949512, 1028638, 1186890, 1542957, 1582520, 2057276, 2373780, 2571595, 3085914, 4114552, 4747560, 5143190, 6171828, 7714785, 10286380, 12343656, 15429570, 20572760, 30859140, 61718280]

約数ペア:

[(1, 61718280), (2, 30859140), (3, 20572760), (4, 15429570), (5, 12343656), (6, 10286380), (8, 7714785), (10, 6171828), (12, 5143190), (13, 4747560), (15, 4114552), (20, 3085914), (24, 2571595), (26, 2373780), (30, 2057276), (39, 1582520), (40, 1542957), (52, 1186890), (60, 1028638), (65, 949512), (78, 791260), (104, 593445), (120, 514319), (130, 474756), (156, 395630), (195, 316504), (260, 237378), (312, 197815), (390, 158252), (520, 118689), (780, 79126), (1560, 39563)]