21565680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 68031360

約数和(自身を除く): 46465680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1523, 1770, 2360, 2832, 3046, 3540, 4569, 4720, 6092, 7080, 7615, 9138, 12184, 14160, 15230, 18276, 22845, 24368, 30460, 36552, 45690, 60920, 73104, 89857, 91380, 121840, 179714, 182760, 269571, 359428, 365520, 449285, 539142, 718856, 898570, 1078284, 1347855, 1437712, 1797140, 2156568, 2695710, 3594280, 4313136, 5391420, 7188560, 10782840, 21565680]

約数ペア:

[(1, 21565680), (2, 10782840), (3, 7188560), (4, 5391420), (5, 4313136), (6, 3594280), (8, 2695710), (10, 2156568), (12, 1797140), (15, 1437712), (16, 1347855), (20, 1078284), (24, 898570), (30, 718856), (40, 539142), (48, 449285), (59, 365520), (60, 359428), (80, 269571), (118, 182760), (120, 179714), (177, 121840), (236, 91380), (240, 89857), (295, 73104), (354, 60920), (472, 45690), (590, 36552), (708, 30460), (885, 24368), (944, 22845), (1180, 18276), (1416, 15230), (1523, 14160), (1770, 12184), (2360, 9138), (2832, 7615), (3046, 7080), (3540, 6092), (4569, 4720)]