120144160

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^2\times {\mathrm{109}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 289937340

約数和(自身を除く): 169793180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 109, 160, 166, 218, 332, 415, 436, 545, 664, 830, 872, 1090, 1328, 1660, 1744, 2180, 2656, 3320, 3488, 4360, 6640, 6889, 8720, 9047, 13280, 13778, 17440, 18094, 27556, 34445, 36188, 45235, 55112, 68890, 72376, 90470, 110224, 137780, 144752, 180940, 220448, 275560, 289504, 361880, 551120, 723760, 750901, 1102240, 1447520, 1501802, 3003604, 3754505, 6007208, 7509010, 12014416, 15018020, 24028832, 30036040, 60072080, 120144160]

約数ペア:

[(1, 120144160), (2, 60072080), (4, 30036040), (5, 24028832), (8, 15018020), (10, 12014416), (16, 7509010), (20, 6007208), (32, 3754505), (40, 3003604), (80, 1501802), (83, 1447520), (109, 1102240), (160, 750901), (166, 723760), (218, 551120), (332, 361880), (415, 289504), (436, 275560), (545, 220448), (664, 180940), (830, 144752), (872, 137780), (1090, 110224), (1328, 90470), (1660, 72376), (1744, 68890), (2180, 55112), (2656, 45235), (3320, 36188), (3488, 34445), (4360, 27556), (6640, 18094), (6889, 17440), (8720, 13778), (9047, 13280)]