278547840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1369

約数の個数: 192

約数和(自身を含む): 988612560

約数和(自身を除く): 710064720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 888, 960, 1110, 1152, 1184, 1307, 1332, 1440, 1480, 1665, 1776, 1920, 2220, 2368, 2614, 2664, 2880, 2960, 3330, 3552, 3921, 4440, 4736, 5228, 5328, 5760, 5920, 6535, 6660, 7104, 7842, 8880, 10456, 10656, 11763, 11840, 13070, 13320, 14208, 15684, 17760, 19605, 20912, 21312, 23526, 23680, 26140, 26640, 31368, 35520, 39210, 41824, 42624, 47052, 48359, 52280, 53280, 58815, 62736, 71040, 78420, 83648, 94104, 96718, 104560, 106560, 117630, 125472, 145077, 156840, 167296, 188208, 193436, 209120, 213120, 235260, 241795, 250944, 290154, 313680, 376416, 386872, 418240, 435231, 470520, 483590, 501888, 580308, 627360, 725385, 752832, 773744, 836480, 870462, 941040, 967180, 1160616, 1254720, 1450770, 1505664, 1547488, 1740924, 1882080, 1934360, 2176155, 2321232, 2509440, 2901540, 3094976, 3481848, 3764160, 3868720, 4352310, 4642464, 5803080, 6189952, 6963696, 7528320, 7737440, 8704620, 9284928, 11606160, 13927392, 15474880, 17409240, 18569856, 23212320, 27854784, 30949760, 34818480, 46424640, 55709568, 69636960, 92849280, 139273920, 278547840]

約数ペア:

[(1, 278547840), (2, 139273920), (3, 92849280), (4, 69636960), (5, 55709568), (6, 46424640), (8, 34818480), (9, 30949760), (10, 27854784), (12, 23212320), (15, 18569856), (16, 17409240), (18, 15474880), (20, 13927392), (24, 11606160), (30, 9284928), (32, 8704620), (36, 7737440), (37, 7528320), (40, 6963696), (45, 6189952), (48, 5803080), (60, 4642464), (64, 4352310), (72, 3868720), (74, 3764160), (80, 3481848), (90, 3094976), (96, 2901540), (111, 2509440), (120, 2321232), (128, 2176155), (144, 1934360), (148, 1882080), (160, 1740924), (180, 1547488), (185, 1505664), (192, 1450770), (222, 1254720), (240, 1160616), (288, 967180), (296, 941040), (320, 870462), (333, 836480), (360, 773744), (370, 752832), (384, 725385), (444, 627360), (480, 580308), (555, 501888), (576, 483590), (592, 470520), (640, 435231), (666, 418240), (720, 386872), (740, 376416), (888, 313680), (960, 290154), (1110, 250944), (1152, 241795), (1184, 235260), (1307, 213120), (1332, 209120), (1440, 193436), (1480, 188208), (1665, 167296), (1776, 156840), (1920, 145077), (2220, 125472), (2368, 117630), (2614, 106560), (2664, 104560), (2880, 96718), (2960, 94104), (3330, 83648), (3552, 78420), (3921, 71040), (4440, 62736), (4736, 58815), (5228, 53280), (5328, 52280), (5760, 48359), (5920, 47052), (6535, 42624), (6660, 41824), (7104, 39210), (7842, 35520), (8880, 31368), (10456, 26640), (10656, 26140), (11763, 23680), (11840, 23526), (13070, 21312), (13320, 20912), (14208, 19605), (15684, 17760)]