28268640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 98240688

約数和(自身を除く): 69972048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 293, 335, 360, 402, 480, 536, 586, 603, 670, 720, 804, 879, 1005, 1072, 1172, 1206, 1340, 1440, 1465, 1608, 1758, 2010, 2144, 2344, 2412, 2637, 2680, 2930, 3015, 3216, 3516, 4020, 4395, 4688, 4824, 5274, 5360, 5860, 6030, 6432, 7032, 8040, 8790, 9376, 9648, 10548, 10720, 11720, 12060, 13185, 14064, 16080, 17580, 19296, 19631, 21096, 23440, 24120, 26370, 28128, 32160, 35160, 39262, 42192, 46880, 48240, 52740, 58893, 70320, 78524, 84384, 96480, 98155, 105480, 117786, 140640, 157048, 176679, 196310, 210960, 235572, 294465, 314096, 353358, 392620, 421920, 471144, 588930, 628192, 706716, 785240, 883395, 942288, 1177860, 1413432, 1570480, 1766790, 1884576, 2355720, 2826864, 3140960, 3533580, 4711440, 5653728, 7067160, 9422880, 14134320, 28268640]

約数ペア:

[(1, 28268640), (2, 14134320), (3, 9422880), (4, 7067160), (5, 5653728), (6, 4711440), (8, 3533580), (9, 3140960), (10, 2826864), (12, 2355720), (15, 1884576), (16, 1766790), (18, 1570480), (20, 1413432), (24, 1177860), (30, 942288), (32, 883395), (36, 785240), (40, 706716), (45, 628192), (48, 588930), (60, 471144), (67, 421920), (72, 392620), (80, 353358), (90, 314096), (96, 294465), (120, 235572), (134, 210960), (144, 196310), (160, 176679), (180, 157048), (201, 140640), (240, 117786), (268, 105480), (288, 98155), (293, 96480), (335, 84384), (360, 78524), (402, 70320), (480, 58893), (536, 52740), (586, 48240), (603, 46880), (670, 42192), (720, 39262), (804, 35160), (879, 32160), (1005, 28128), (1072, 26370), (1172, 24120), (1206, 23440), (1340, 21096), (1440, 19631), (1465, 19296), (1608, 17580), (1758, 16080), (2010, 14064), (2144, 13185), (2344, 12060), (2412, 11720), (2637, 10720), (2680, 10548), (2930, 9648), (3015, 9376), (3216, 8790), (3516, 8040), (4020, 7032), (4395, 6432), (4688, 6030), (4824, 5860), (5274, 5360)]