209099760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{871249}}^1$

素因数の和:871265

約数の個数: 40

約数和(自身を含む): 648210000

約数和(自身を除く): 439110240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 871249, 1742498, 2613747, 3484996, 4356245, 5227494, 6969992, 8712490, 10454988, 13068735, 13939984, 17424980, 20909976, 26137470, 34849960, 41819952, 52274940, 69699920, 104549880, 209099760]

約数ペア:

[(1, 209099760), (2, 104549880), (3, 69699920), (4, 52274940), (5, 41819952), (6, 34849960), (8, 26137470), (10, 20909976), (12, 17424980), (15, 13939984), (16, 13068735), (20, 10454988), (24, 8712490), (30, 6969992), (40, 5227494), (48, 4356245), (60, 3484996), (80, 2613747), (120, 1742498), (240, 871249)]