80179860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{131}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 228479328

約数和(自身を除く): 148299468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 131, 202, 262, 303, 393, 404, 505, 524, 606, 655, 786, 1010, 1212, 1310, 1515, 1572, 1965, 2020, 2620, 3030, 3930, 6060, 7860, 10201, 13231, 20402, 26462, 30603, 39693, 40804, 51005, 52924, 61206, 66155, 79386, 102010, 122412, 132310, 153015, 158772, 198465, 204020, 264620, 306030, 396930, 612060, 793860, 1336331, 2672662, 4008993, 5345324, 6681655, 8017986, 13363310, 16035972, 20044965, 26726620, 40089930, 80179860]

約数ペア:

[(1, 80179860), (2, 40089930), (3, 26726620), (4, 20044965), (5, 16035972), (6, 13363310), (10, 8017986), (12, 6681655), (15, 5345324), (20, 4008993), (30, 2672662), (60, 1336331), (101, 793860), (131, 612060), (202, 396930), (262, 306030), (303, 264620), (393, 204020), (404, 198465), (505, 158772), (524, 153015), (606, 132310), (655, 122412), (786, 102010), (1010, 79386), (1212, 66155), (1310, 61206), (1515, 52924), (1572, 51005), (1965, 40804), (2020, 39693), (2620, 30603), (3030, 26462), (3930, 20402), (6060, 13231), (7860, 10201)]