121520720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37049}}^1$

素因数の和:37103

約数の個数: 40

約数和(自身を含む): 289434600

約数和(自身を除く): 167913880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 37049, 74098, 148196, 185245, 296392, 370490, 592784, 740980, 1481960, 1519009, 2963920, 3038018, 6076036, 7595045, 12152072, 15190090, 24304144, 30380180, 60760360, 121520720]

約数ペア:

[(1, 121520720), (2, 60760360), (4, 30380180), (5, 24304144), (8, 15190090), (10, 12152072), (16, 7595045), (20, 6076036), (40, 3038018), (41, 2963920), (80, 1519009), (82, 1481960), (164, 740980), (205, 592784), (328, 370490), (410, 296392), (656, 185245), (820, 148196), (1640, 74098), (3280, 37049)]