28487040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 93489120

約数和(自身を除く): 65002080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 401, 444, 480, 555, 592, 640, 740, 802, 888, 960, 1110, 1184, 1203, 1480, 1604, 1776, 1920, 2005, 2220, 2368, 2406, 2960, 3208, 3552, 4010, 4440, 4736, 4812, 5920, 6015, 6416, 7104, 8020, 8880, 9624, 11840, 12030, 12832, 14208, 14837, 16040, 17760, 19248, 23680, 24060, 25664, 29674, 32080, 35520, 38496, 44511, 48120, 51328, 59348, 64160, 71040, 74185, 76992, 89022, 96240, 118696, 128320, 148370, 153984, 178044, 192480, 222555, 237392, 256640, 296740, 356088, 384960, 445110, 474784, 593480, 712176, 769920, 890220, 949568, 1186960, 1424352, 1780440, 1899136, 2373920, 2848704, 3560880, 4747840, 5697408, 7121760, 9495680, 14243520, 28487040]

約数ペア:

[(1, 28487040), (2, 14243520), (3, 9495680), (4, 7121760), (5, 5697408), (6, 4747840), (8, 3560880), (10, 2848704), (12, 2373920), (15, 1899136), (16, 1780440), (20, 1424352), (24, 1186960), (30, 949568), (32, 890220), (37, 769920), (40, 712176), (48, 593480), (60, 474784), (64, 445110), (74, 384960), (80, 356088), (96, 296740), (111, 256640), (120, 237392), (128, 222555), (148, 192480), (160, 178044), (185, 153984), (192, 148370), (222, 128320), (240, 118696), (296, 96240), (320, 89022), (370, 76992), (384, 74185), (401, 71040), (444, 64160), (480, 59348), (555, 51328), (592, 48120), (640, 44511), (740, 38496), (802, 35520), (888, 32080), (960, 29674), (1110, 25664), (1184, 24060), (1203, 23680), (1480, 19248), (1604, 17760), (1776, 16040), (1920, 14837), (2005, 14208), (2220, 12832), (2368, 12030), (2406, 11840), (2960, 9624), (3208, 8880), (3552, 8020), (4010, 7104), (4440, 6416), (4736, 6015), (4812, 5920)]