80263980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7860

約数の個数: 96

約数和(自身を含む): 262886400

約数和(自身を除く): 182622420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 7823, 10260, 15646, 23469, 31292, 39115, 46938, 70407, 78230, 93876, 117345, 140814, 148637, 156460, 211221, 234690, 281628, 297274, 352035, 422442, 445911, 469380, 594548, 704070, 743185, 844884, 891822, 1056105, 1337733, 1408140, 1486370, 1783644, 2112210, 2229555, 2675466, 2972740, 4013199, 4224420, 4459110, 5350932, 6688665, 8026398, 8918220, 13377330, 16052796, 20065995, 26754660, 40131990, 80263980]

約数ペア:

[(1, 80263980), (2, 40131990), (3, 26754660), (4, 20065995), (5, 16052796), (6, 13377330), (9, 8918220), (10, 8026398), (12, 6688665), (15, 5350932), (18, 4459110), (19, 4224420), (20, 4013199), (27, 2972740), (30, 2675466), (36, 2229555), (38, 2112210), (45, 1783644), (54, 1486370), (57, 1408140), (60, 1337733), (76, 1056105), (90, 891822), (95, 844884), (108, 743185), (114, 704070), (135, 594548), (171, 469380), (180, 445911), (190, 422442), (228, 352035), (270, 297274), (285, 281628), (342, 234690), (380, 211221), (513, 156460), (540, 148637), (570, 140814), (684, 117345), (855, 93876), (1026, 78230), (1140, 70407), (1710, 46938), (2052, 39115), (2565, 31292), (3420, 23469), (5130, 15646), (7823, 10260)]