248992920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20959}}^1$

素因数の和:20990

約数の個数: 128

約数和(自身を含む): 905472000

約数和(自身を除く): 656479080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 20959, 41918, 62877, 83836, 104795, 125754, 167672, 188631, 209590, 230549, 251508, 314385, 377262, 419180, 461098, 503016, 565893, 628770, 691647, 754524, 838360, 922196, 943155, 1131786, 1152745, 1257540, 1383294, 1509048, 1844392, 1886310, 2074941, 2263572, 2305490, 2515080, 2766588, 2829465, 3458235, 3772620, 4149882, 4527144, 4610980, 5533176, 5658930, 6224823, 6916470, 7545240, 8299764, 9221960, 10374705, 11317860, 12449646, 13832940, 16599528, 20749410, 22635720, 24899292, 27665880, 31124115, 41498820, 49798584, 62248230, 82997640, 124496460, 248992920]

約数ペア:

[(1, 248992920), (2, 124496460), (3, 82997640), (4, 62248230), (5, 49798584), (6, 41498820), (8, 31124115), (9, 27665880), (10, 24899292), (11, 22635720), (12, 20749410), (15, 16599528), (18, 13832940), (20, 12449646), (22, 11317860), (24, 10374705), (27, 9221960), (30, 8299764), (33, 7545240), (36, 6916470), (40, 6224823), (44, 5658930), (45, 5533176), (54, 4610980), (55, 4527144), (60, 4149882), (66, 3772620), (72, 3458235), (88, 2829465), (90, 2766588), (99, 2515080), (108, 2305490), (110, 2263572), (120, 2074941), (132, 1886310), (135, 1844392), (165, 1509048), (180, 1383294), (198, 1257540), (216, 1152745), (220, 1131786), (264, 943155), (270, 922196), (297, 838360), (330, 754524), (360, 691647), (396, 628770), (440, 565893), (495, 503016), (540, 461098), (594, 419180), (660, 377262), (792, 314385), (990, 251508), (1080, 230549), (1188, 209590), (1320, 188631), (1485, 167672), (1980, 125754), (2376, 104795), (2970, 83836), (3960, 62877), (5940, 41918), (11880, 20959)]