121364920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 286403040

約数和(自身を除く): 165038120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1721, 1763, 3442, 3526, 6884, 7052, 8605, 8815, 13768, 14104, 17210, 17630, 34420, 35260, 68840, 70520, 70561, 74003, 141122, 148006, 282244, 296012, 352805, 370015, 564488, 592024, 705610, 740030, 1411220, 1480060, 2822440, 2960120, 3034123, 6068246, 12136492, 15170615, 24272984, 30341230, 60682460, 121364920]

約数ペア:

[(1, 121364920), (2, 60682460), (4, 30341230), (5, 24272984), (8, 15170615), (10, 12136492), (20, 6068246), (40, 3034123), (41, 2960120), (43, 2822440), (82, 1480060), (86, 1411220), (164, 740030), (172, 705610), (205, 592024), (215, 564488), (328, 370015), (344, 352805), (410, 296012), (430, 282244), (820, 148006), (860, 141122), (1640, 74003), (1720, 70561), (1721, 70520), (1763, 68840), (3442, 35260), (3526, 34420), (6884, 17630), (7052, 17210), (8605, 14104), (8815, 13768)]