81213300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{4297}}^1$

素因数の和:4327

約数の個数: 144

約数和(自身を含む): 298453120

約数和(自身を除く): 217239820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4297, 4725, 6300, 8594, 9450, 12891, 17188, 18900, 21485, 25782, 30079, 38673, 42970, 51564, 60158, 64455, 77346, 85940, 90237, 107425, 116019, 120316, 128910, 150395, 154692, 180474, 193365, 214850, 232038, 257820, 270711, 300790, 322275, 360948, 386730, 429700, 451185, 464076, 541422, 580095, 601580, 644550, 751975, 773460, 812133, 902370, 966825, 1082844, 1160190, 1289100, 1353555, 1503950, 1624266, 1804740, 1933650, 2255925, 2320380, 2707110, 2900475, 3007900, 3248532, 3867300, 4060665, 4511850, 5414220, 5800950, 6767775, 8121330, 9023700, 11601900, 13535550, 16242660, 20303325, 27071100, 40606650, 81213300]

約数ペア:

[(1, 81213300), (2, 40606650), (3, 27071100), (4, 20303325), (5, 16242660), (6, 13535550), (7, 11601900), (9, 9023700), (10, 8121330), (12, 6767775), (14, 5800950), (15, 5414220), (18, 4511850), (20, 4060665), (21, 3867300), (25, 3248532), (27, 3007900), (28, 2900475), (30, 2707110), (35, 2320380), (36, 2255925), (42, 1933650), (45, 1804740), (50, 1624266), (54, 1503950), (60, 1353555), (63, 1289100), (70, 1160190), (75, 1082844), (84, 966825), (90, 902370), (100, 812133), (105, 773460), (108, 751975), (126, 644550), (135, 601580), (140, 580095), (150, 541422), (175, 464076), (180, 451185), (189, 429700), (210, 386730), (225, 360948), (252, 322275), (270, 300790), (300, 270711), (315, 257820), (350, 232038), (378, 214850), (420, 193365), (450, 180474), (525, 154692), (540, 150395), (630, 128910), (675, 120316), (700, 116019), (756, 107425), (900, 90237), (945, 85940), (1050, 77346), (1260, 64455), (1350, 60158), (1575, 51564), (1890, 42970), (2100, 38673), (2700, 30079), (3150, 25782), (3780, 21485), (4297, 18900), (4725, 17188), (6300, 12891), (8594, 9450)]