74196780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{25237}}^1$

素因数の和:25263

約数の個数: 72

約数和(自身を含む): 241679088

約数和(自身を除く): 167482308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 25237, 50474, 75711, 100948, 126185, 151422, 176659, 252370, 302844, 353318, 378555, 504740, 529977, 706636, 757110, 883295, 1059954, 1236613, 1514220, 1766590, 2119908, 2473226, 2649885, 3533180, 3709839, 4946452, 5299770, 6183065, 7419678, 10599540, 12366130, 14839356, 18549195, 24732260, 37098390, 74196780]

約数ペア:

[(1, 74196780), (2, 37098390), (3, 24732260), (4, 18549195), (5, 14839356), (6, 12366130), (7, 10599540), (10, 7419678), (12, 6183065), (14, 5299770), (15, 4946452), (20, 3709839), (21, 3533180), (28, 2649885), (30, 2473226), (35, 2119908), (42, 1766590), (49, 1514220), (60, 1236613), (70, 1059954), (84, 883295), (98, 757110), (105, 706636), (140, 529977), (147, 504740), (196, 378555), (210, 353318), (245, 302844), (294, 252370), (420, 176659), (490, 151422), (588, 126185), (735, 100948), (980, 75711), (1470, 50474), (2940, 25237)]