1288591780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6929

約数の個数: 96

約数和(自身を含む): 3301724160

約数和(自身を除く): 2013132380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 133, 140, 142, 190, 266, 284, 355, 380, 497, 532, 665, 710, 994, 1330, 1349, 1420, 1988, 2485, 2660, 2698, 4970, 5396, 6745, 6823, 9443, 9940, 13490, 13646, 18886, 26980, 27292, 34115, 37772, 47215, 47761, 68230, 94430, 95522, 129637, 136460, 188860, 191044, 238805, 259274, 477610, 484433, 518548, 648185, 907459, 955220, 968866, 1296370, 1814918, 1937732, 2422165, 2592740, 3391031, 3629836, 4537295, 4844330, 6782062, 9074590, 9204227, 9688660, 13564124, 16955155, 18149180, 18408454, 33910310, 36816908, 46021135, 64429589, 67820620, 92042270, 128859178, 184084540, 257718356, 322147945, 644295890, 1288591780]

約数ペア:

[(1, 1288591780), (2, 644295890), (4, 322147945), (5, 257718356), (7, 184084540), (10, 128859178), (14, 92042270), (19, 67820620), (20, 64429589), (28, 46021135), (35, 36816908), (38, 33910310), (70, 18408454), (71, 18149180), (76, 16955155), (95, 13564124), (133, 9688660), (140, 9204227), (142, 9074590), (190, 6782062), (266, 4844330), (284, 4537295), (355, 3629836), (380, 3391031), (497, 2592740), (532, 2422165), (665, 1937732), (710, 1814918), (994, 1296370), (1330, 968866), (1349, 955220), (1420, 907459), (1988, 648185), (2485, 518548), (2660, 484433), (2698, 477610), (4970, 259274), (5396, 238805), (6745, 191044), (6823, 188860), (9443, 136460), (9940, 129637), (13490, 95522), (13646, 94430), (18886, 68230), (26980, 47761), (27292, 47215), (34115, 37772)]