121864720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49139}}^1$

素因数の和:49183

約数の個数: 40

約数和(自身を含む): 292481280

約数和(自身を除く): 170616560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 49139, 98278, 196556, 245695, 393112, 491390, 786224, 982780, 1523309, 1965560, 3046618, 3931120, 6093236, 7616545, 12186472, 15233090, 24372944, 30466180, 60932360, 121864720]

約数ペア:

[(1, 121864720), (2, 60932360), (4, 30466180), (5, 24372944), (8, 15233090), (10, 12186472), (16, 7616545), (20, 6093236), (31, 3931120), (40, 3046618), (62, 1965560), (80, 1523309), (124, 982780), (155, 786224), (248, 491390), (310, 393112), (496, 245695), (620, 196556), (1240, 98278), (2480, 49139)]