78892740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1093}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 240124248

約数和(自身を除く): 161231508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1093, 1203, 1604, 2005, 2186, 2406, 3279, 3609, 4010, 4372, 4812, 5465, 6015, 6558, 7218, 8020, 9837, 10930, 12030, 13116, 14436, 16395, 18045, 19674, 21860, 24060, 32790, 36090, 39348, 49185, 65580, 72180, 98370, 196740, 438293, 876586, 1314879, 1753172, 2191465, 2629758, 3944637, 4382930, 5259516, 6574395, 7889274, 8765860, 13148790, 15778548, 19723185, 26297580, 39446370, 78892740]

約数ペア:

[(1, 78892740), (2, 39446370), (3, 26297580), (4, 19723185), (5, 15778548), (6, 13148790), (9, 8765860), (10, 7889274), (12, 6574395), (15, 5259516), (18, 4382930), (20, 3944637), (30, 2629758), (36, 2191465), (45, 1753172), (60, 1314879), (90, 876586), (180, 438293), (401, 196740), (802, 98370), (1093, 72180), (1203, 65580), (1604, 49185), (2005, 39348), (2186, 36090), (2406, 32790), (3279, 24060), (3609, 21860), (4010, 19674), (4372, 18045), (4812, 16395), (5465, 14436), (6015, 13116), (6558, 12030), (7218, 10930), (8020, 9837)]