2019915180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{660103}}^1$

素因数の和:660135

約数の個数: 72

約数和(自身を含む): 6487502112

約数和(自身を除く): 4467586932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 660103, 1320206, 1980309, 2640412, 3300515, 3960618, 5940927, 6601030, 7921236, 9901545, 11221751, 11881854, 13202060, 19803090, 22443502, 23763708, 29704635, 33665253, 39606180, 44887004, 56108755, 59409270, 67330506, 100995759, 112217510, 118818540, 134661012, 168326265, 201991518, 224435020, 336652530, 403983036, 504978795, 673305060, 1009957590, 2019915180]

約数ペア:

[(1, 2019915180), (2, 1009957590), (3, 673305060), (4, 504978795), (5, 403983036), (6, 336652530), (9, 224435020), (10, 201991518), (12, 168326265), (15, 134661012), (17, 118818540), (18, 112217510), (20, 100995759), (30, 67330506), (34, 59409270), (36, 56108755), (45, 44887004), (51, 39606180), (60, 33665253), (68, 29704635), (85, 23763708), (90, 22443502), (102, 19803090), (153, 13202060), (170, 11881854), (180, 11221751), (204, 9901545), (255, 7921236), (306, 6601030), (340, 5940927), (510, 3960618), (612, 3300515), (765, 2640412), (1020, 1980309), (1530, 1320206), (3060, 660103)]