221506920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:984

約数の個数: 128

約数和(自身を含む): 741830400

約数和(自身を除く): 520323480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 317, 360, 540, 634, 647, 951, 1080, 1268, 1294, 1585, 1902, 1941, 2536, 2588, 2853, 3170, 3235, 3804, 3882, 4755, 5176, 5706, 5823, 6340, 6470, 7608, 7764, 8559, 9510, 9705, 11412, 11646, 12680, 12940, 14265, 15528, 17118, 17469, 19020, 19410, 22824, 23292, 25880, 28530, 29115, 34236, 34938, 38040, 38820, 42795, 46584, 57060, 58230, 68472, 69876, 77640, 85590, 87345, 114120, 116460, 139752, 171180, 174690, 205099, 232920, 342360, 349380, 410198, 615297, 698760, 820396, 1025495, 1230594, 1640792, 1845891, 2050990, 2461188, 3076485, 3691782, 4101980, 4922376, 5537673, 6152970, 7383564, 8203960, 9229455, 11075346, 12305940, 14767128, 18458910, 22150692, 24611880, 27688365, 36917820, 44301384, 55376730, 73835640, 110753460, 221506920]

約数ペア:

[(1, 221506920), (2, 110753460), (3, 73835640), (4, 55376730), (5, 44301384), (6, 36917820), (8, 27688365), (9, 24611880), (10, 22150692), (12, 18458910), (15, 14767128), (18, 12305940), (20, 11075346), (24, 9229455), (27, 8203960), (30, 7383564), (36, 6152970), (40, 5537673), (45, 4922376), (54, 4101980), (60, 3691782), (72, 3076485), (90, 2461188), (108, 2050990), (120, 1845891), (135, 1640792), (180, 1230594), (216, 1025495), (270, 820396), (317, 698760), (360, 615297), (540, 410198), (634, 349380), (647, 342360), (951, 232920), (1080, 205099), (1268, 174690), (1294, 171180), (1585, 139752), (1902, 116460), (1941, 114120), (2536, 87345), (2588, 85590), (2853, 77640), (3170, 69876), (3235, 68472), (3804, 58230), (3882, 57060), (4755, 46584), (5176, 42795), (5706, 38820), (5823, 38040), (6340, 34938), (6470, 34236), (7608, 29115), (7764, 28530), (8559, 25880), (9510, 23292), (9705, 22824), (11412, 19410), (11646, 19020), (12680, 17469), (12940, 17118), (14265, 15528)]