72738180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4117

約数の個数: 72

約数和(自身を含む): 222879384

約数和(自身を除く): 150141204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4001, 4545, 6060, 8002, 9090, 12003, 16004, 18180, 20005, 24006, 36009, 40010, 48012, 60015, 72018, 80020, 120030, 144036, 180045, 240060, 360090, 404101, 720180, 808202, 1212303, 1616404, 2020505, 2424606, 3636909, 4041010, 4849212, 6061515, 7273818, 8082020, 12123030, 14547636, 18184545, 24246060, 36369090, 72738180]

約数ペア:

[(1, 72738180), (2, 36369090), (3, 24246060), (4, 18184545), (5, 14547636), (6, 12123030), (9, 8082020), (10, 7273818), (12, 6061515), (15, 4849212), (18, 4041010), (20, 3636909), (30, 2424606), (36, 2020505), (45, 1616404), (60, 1212303), (90, 808202), (101, 720180), (180, 404101), (202, 360090), (303, 240060), (404, 180045), (505, 144036), (606, 120030), (909, 80020), (1010, 72018), (1212, 60015), (1515, 48012), (1818, 40010), (2020, 36009), (3030, 24006), (3636, 20005), (4001, 18180), (4545, 16004), (6060, 12003), (8002, 9090)]