28137480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 106444800

約数和(自身を除く): 78307320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 41, 42, 43, 56, 57, 60, 70, 76, 82, 84, 86, 95, 105, 114, 120, 123, 129, 133, 140, 152, 164, 168, 172, 190, 205, 210, 215, 228, 246, 258, 266, 280, 285, 287, 301, 328, 344, 380, 399, 410, 420, 430, 456, 492, 516, 532, 570, 574, 602, 615, 645, 665, 760, 779, 798, 817, 820, 840, 860, 861, 903, 984, 1032, 1064, 1140, 1148, 1204, 1230, 1290, 1330, 1435, 1505, 1558, 1596, 1634, 1640, 1720, 1722, 1763, 1806, 1995, 2280, 2296, 2337, 2408, 2451, 2460, 2580, 2660, 2870, 3010, 3116, 3192, 3268, 3444, 3526, 3612, 3895, 3990, 4085, 4305, 4515, 4674, 4902, 4920, 5160, 5289, 5320, 5453, 5719, 5740, 6020, 6232, 6536, 6888, 7052, 7224, 7790, 7980, 8170, 8610, 8815, 9030, 9348, 9804, 10578, 10906, 11438, 11480, 11685, 12040, 12255, 12341, 14104, 15580, 15960, 16340, 16359, 17157, 17220, 17630, 18060, 18696, 19608, 21156, 21812, 22876, 23370, 24510, 24682, 26445, 27265, 28595, 31160, 32680, 32718, 33497, 34314, 34440, 35260, 36120, 37023, 42312, 43624, 45752, 46740, 49020, 49364, 52890, 54530, 57190, 61705, 65436, 66994, 68628, 70520, 74046, 81795, 85785, 93480, 98040, 98728, 100491, 105780, 109060, 114380, 123410, 130872, 133988, 137256, 148092, 163590, 167485, 171570, 185115, 200982, 211560, 218120, 228760, 234479, 246820, 267976, 296184, 327180, 334970, 343140, 370230, 401964, 468958, 493640, 502455, 654360, 669940, 686280, 703437, 740460, 803928, 937916, 1004910, 1172395, 1339880, 1406874, 1480920, 1875832, 2009820, 2344790, 2813748, 3517185, 4019640, 4689580, 5627496, 7034370, 9379160, 14068740, 28137480]

約数ペア:

[(1, 28137480), (2, 14068740), (3, 9379160), (4, 7034370), (5, 5627496), (6, 4689580), (7, 4019640), (8, 3517185), (10, 2813748), (12, 2344790), (14, 2009820), (15, 1875832), (19, 1480920), (20, 1406874), (21, 1339880), (24, 1172395), (28, 1004910), (30, 937916), (35, 803928), (38, 740460), (40, 703437), (41, 686280), (42, 669940), (43, 654360), (56, 502455), (57, 493640), (60, 468958), (70, 401964), (76, 370230), (82, 343140), (84, 334970), (86, 327180), (95, 296184), (105, 267976), (114, 246820), (120, 234479), (123, 228760), (129, 218120), (133, 211560), (140, 200982), (152, 185115), (164, 171570), (168, 167485), (172, 163590), (190, 148092), (205, 137256), (210, 133988), (215, 130872), (228, 123410), (246, 114380), (258, 109060), (266, 105780), (280, 100491), (285, 98728), (287, 98040), (301, 93480), (328, 85785), (344, 81795), (380, 74046), (399, 70520), (410, 68628), (420, 66994), (430, 65436), (456, 61705), (492, 57190), (516, 54530), (532, 52890), (570, 49364), (574, 49020), (602, 46740), (615, 45752), (645, 43624), (665, 42312), (760, 37023), (779, 36120), (798, 35260), (817, 34440), (820, 34314), (840, 33497), (860, 32718), (861, 32680), (903, 31160), (984, 28595), (1032, 27265), (1064, 26445), (1140, 24682), (1148, 24510), (1204, 23370), (1230, 22876), (1290, 21812), (1330, 21156), (1435, 19608), (1505, 18696), (1558, 18060), (1596, 17630), (1634, 17220), (1640, 17157), (1720, 16359), (1722, 16340), (1763, 15960), (1806, 15580), (1995, 14104), (2280, 12341), (2296, 12255), (2337, 12040), (2408, 11685), (2451, 11480), (2460, 11438), (2580, 10906), (2660, 10578), (2870, 9804), (3010, 9348), (3116, 9030), (3192, 8815), (3268, 8610), (3444, 8170), (3526, 7980), (3612, 7790), (3895, 7224), (3990, 7052), (4085, 6888), (4305, 6536), (4515, 6232), (4674, 6020), (4902, 5740), (4920, 5719), (5160, 5453), (5289, 5320)]