21633750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{641}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 60168240

約数和(自身を除く): 38534490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 641, 675, 750, 1125, 1250, 1282, 1350, 1875, 1923, 2250, 3205, 3375, 3750, 3846, 5625, 5769, 6410, 6750, 9615, 11250, 11538, 16025, 16875, 17307, 19230, 28845, 32050, 33750, 34614, 48075, 57690, 80125, 86535, 96150, 144225, 160250, 173070, 240375, 288450, 400625, 432675, 480750, 721125, 801250, 865350, 1201875, 1442250, 2163375, 2403750, 3605625, 4326750, 7211250, 10816875, 21633750]

約数ペア:

[(1, 21633750), (2, 10816875), (3, 7211250), (5, 4326750), (6, 3605625), (9, 2403750), (10, 2163375), (15, 1442250), (18, 1201875), (25, 865350), (27, 801250), (30, 721125), (45, 480750), (50, 432675), (54, 400625), (75, 288450), (90, 240375), (125, 173070), (135, 160250), (150, 144225), (225, 96150), (250, 86535), (270, 80125), (375, 57690), (450, 48075), (625, 34614), (641, 33750), (675, 32050), (750, 28845), (1125, 19230), (1250, 17307), (1282, 16875), (1350, 16025), (1875, 11538), (1923, 11250), (2250, 9615), (3205, 6750), (3375, 6410), (3750, 5769), (3846, 5625)]