204525180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1163}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 621562032

約数和(自身を除く): 417036852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 977, 1163, 1954, 2326, 2931, 3489, 3908, 4652, 4885, 5815, 5862, 6978, 8793, 9770, 10467, 11630, 11724, 13956, 14655, 17445, 17586, 19540, 20934, 23260, 29310, 34890, 35172, 41868, 43965, 52335, 58620, 69780, 87930, 104670, 175860, 209340, 1136251, 2272502, 3408753, 4545004, 5681255, 6817506, 10226259, 11362510, 13635012, 17043765, 20452518, 22725020, 34087530, 40905036, 51131295, 68175060, 102262590, 204525180]

約数ペア:

[(1, 204525180), (2, 102262590), (3, 68175060), (4, 51131295), (5, 40905036), (6, 34087530), (9, 22725020), (10, 20452518), (12, 17043765), (15, 13635012), (18, 11362510), (20, 10226259), (30, 6817506), (36, 5681255), (45, 4545004), (60, 3408753), (90, 2272502), (180, 1136251), (977, 209340), (1163, 175860), (1954, 104670), (2326, 87930), (2931, 69780), (3489, 58620), (3908, 52335), (4652, 43965), (4885, 41868), (5815, 35172), (5862, 34890), (6978, 29310), (8793, 23260), (9770, 20934), (10467, 19540), (11630, 17586), (11724, 17445), (13956, 14655)]