128984280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15139}}^1$

素因数の和:15224

約数の個数: 64

約数和(自身を含む): 392428800

約数和(自身を除く): 263444520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 15139, 30278, 45417, 60556, 75695, 90834, 121112, 151390, 181668, 227085, 302780, 363336, 454170, 605560, 908340, 1074869, 1816680, 2149738, 3224607, 4299476, 5374345, 6449214, 8598952, 10748690, 12898428, 16123035, 21497380, 25796856, 32246070, 42994760, 64492140, 128984280]

約数ペア:

[(1, 128984280), (2, 64492140), (3, 42994760), (4, 32246070), (5, 25796856), (6, 21497380), (8, 16123035), (10, 12898428), (12, 10748690), (15, 8598952), (20, 6449214), (24, 5374345), (30, 4299476), (40, 3224607), (60, 2149738), (71, 1816680), (120, 1074869), (142, 908340), (213, 605560), (284, 454170), (355, 363336), (426, 302780), (568, 227085), (710, 181668), (852, 151390), (1065, 121112), (1420, 90834), (1704, 75695), (2130, 60556), (2840, 45417), (4260, 30278), (8520, 15139)]