21765840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 68299200

約数和(自身を除く): 46533360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1019, 1068, 1335, 1424, 1780, 2038, 2136, 2670, 3057, 3560, 4076, 4272, 5095, 5340, 6114, 7120, 8152, 10190, 10680, 12228, 15285, 16304, 20380, 21360, 24456, 30570, 40760, 48912, 61140, 81520, 90691, 122280, 181382, 244560, 272073, 362764, 453455, 544146, 725528, 906910, 1088292, 1360365, 1451056, 1813820, 2176584, 2720730, 3627640, 4353168, 5441460, 7255280, 10882920, 21765840]

約数ペア:

[(1, 21765840), (2, 10882920), (3, 7255280), (4, 5441460), (5, 4353168), (6, 3627640), (8, 2720730), (10, 2176584), (12, 1813820), (15, 1451056), (16, 1360365), (20, 1088292), (24, 906910), (30, 725528), (40, 544146), (48, 453455), (60, 362764), (80, 272073), (89, 244560), (120, 181382), (178, 122280), (240, 90691), (267, 81520), (356, 61140), (445, 48912), (534, 40760), (712, 30570), (890, 24456), (1019, 21360), (1068, 20380), (1335, 16304), (1424, 15285), (1780, 12228), (2038, 10680), (2136, 10190), (2670, 8152), (3057, 7120), (3560, 6114), (4076, 5340), (4272, 5095)]