28357120

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 160

約数和(自身を含む): 79548480

約数和(自身を除く): 51191360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 53, 55, 64, 76, 80, 88, 95, 106, 110, 128, 152, 160, 176, 190, 209, 212, 220, 256, 265, 304, 320, 352, 380, 418, 424, 440, 512, 530, 583, 608, 640, 704, 760, 836, 848, 880, 1007, 1045, 1060, 1166, 1216, 1280, 1408, 1520, 1672, 1696, 1760, 2014, 2090, 2120, 2332, 2432, 2560, 2816, 2915, 3040, 3344, 3392, 3520, 4028, 4180, 4240, 4664, 4864, 5035, 5632, 5830, 6080, 6688, 6784, 7040, 8056, 8360, 8480, 9328, 9728, 10070, 11077, 11660, 12160, 13376, 13568, 14080, 16112, 16720, 16960, 18656, 20140, 22154, 23320, 24320, 26752, 27136, 28160, 32224, 33440, 33920, 37312, 40280, 44308, 46640, 48640, 53504, 55385, 64448, 66880, 67840, 74624, 80560, 88616, 93280, 107008, 110770, 128896, 133760, 135680, 149248, 161120, 177232, 186560, 221540, 257792, 267520, 298496, 322240, 354464, 373120, 443080, 515584, 535040, 644480, 708928, 746240, 886160, 1288960, 1417856, 1492480, 1772320, 2577920, 2835712, 3544640, 5671424, 7089280, 14178560, 28357120]

約数ペア:

[(1, 28357120), (2, 14178560), (4, 7089280), (5, 5671424), (8, 3544640), (10, 2835712), (11, 2577920), (16, 1772320), (19, 1492480), (20, 1417856), (22, 1288960), (32, 886160), (38, 746240), (40, 708928), (44, 644480), (53, 535040), (55, 515584), (64, 443080), (76, 373120), (80, 354464), (88, 322240), (95, 298496), (106, 267520), (110, 257792), (128, 221540), (152, 186560), (160, 177232), (176, 161120), (190, 149248), (209, 135680), (212, 133760), (220, 128896), (256, 110770), (265, 107008), (304, 93280), (320, 88616), (352, 80560), (380, 74624), (418, 67840), (424, 66880), (440, 64448), (512, 55385), (530, 53504), (583, 48640), (608, 46640), (640, 44308), (704, 40280), (760, 37312), (836, 33920), (848, 33440), (880, 32224), (1007, 28160), (1045, 27136), (1060, 26752), (1166, 24320), (1216, 23320), (1280, 22154), (1408, 20140), (1520, 18656), (1672, 16960), (1696, 16720), (1760, 16112), (2014, 14080), (2090, 13568), (2120, 13376), (2332, 12160), (2432, 11660), (2560, 11077), (2816, 10070), (2915, 9728), (3040, 9328), (3344, 8480), (3392, 8360), (3520, 8056), (4028, 7040), (4180, 6784), (4240, 6688), (4664, 6080), (4864, 5830), (5035, 5632)]