821453580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{3557}}^1$

素因数の和:4855

約数の個数: 72

約数和(自身を含む): 2494385712

約数和(自身を除く): 1672932132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1283, 2566, 3557, 3849, 5132, 6415, 7114, 7698, 10671, 11547, 12830, 14228, 15396, 17785, 19245, 21342, 23094, 25660, 32013, 35570, 38490, 42684, 46188, 53355, 57735, 64026, 71140, 76980, 106710, 115470, 128052, 160065, 213420, 230940, 320130, 640260, 4563631, 9127262, 13690893, 18254524, 22818155, 27381786, 41072679, 45636310, 54763572, 68454465, 82145358, 91272620, 136908930, 164290716, 205363395, 273817860, 410726790, 821453580]

約数ペア:

[(1, 821453580), (2, 410726790), (3, 273817860), (4, 205363395), (5, 164290716), (6, 136908930), (9, 91272620), (10, 82145358), (12, 68454465), (15, 54763572), (18, 45636310), (20, 41072679), (30, 27381786), (36, 22818155), (45, 18254524), (60, 13690893), (90, 9127262), (180, 4563631), (1283, 640260), (2566, 320130), (3557, 230940), (3849, 213420), (5132, 160065), (6415, 128052), (7114, 115470), (7698, 106710), (10671, 76980), (11547, 71140), (12830, 64026), (14228, 57735), (15396, 53355), (17785, 46188), (19245, 42684), (21342, 38490), (23094, 35570), (25660, 32013)]