279634880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4082

約数の個数: 112

約数和(自身を含む): 785750016

約数和(自身を除く): 506115136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4027, 4340, 4960, 6944, 8054, 8680, 9920, 13888, 16108, 17360, 20135, 28189, 32216, 34720, 40270, 56378, 64432, 69440, 80540, 112756, 124837, 128864, 140945, 161080, 225512, 249674, 257728, 281890, 322160, 451024, 499348, 563780, 624185, 644320, 873859, 902048, 998696, 1127560, 1248370, 1288640, 1747718, 1804096, 1997392, 2255120, 2496740, 3495436, 3994784, 4369295, 4510240, 4993480, 6990872, 7989568, 8738590, 9020480, 9986960, 13981744, 17477180, 19973920, 27963488, 34954360, 39947840, 55926976, 69908720, 139817440, 279634880]

約数ペア:

[(1, 279634880), (2, 139817440), (4, 69908720), (5, 55926976), (7, 39947840), (8, 34954360), (10, 27963488), (14, 19973920), (16, 17477180), (20, 13981744), (28, 9986960), (31, 9020480), (32, 8738590), (35, 7989568), (40, 6990872), (56, 4993480), (62, 4510240), (64, 4369295), (70, 3994784), (80, 3495436), (112, 2496740), (124, 2255120), (140, 1997392), (155, 1804096), (160, 1747718), (217, 1288640), (224, 1248370), (248, 1127560), (280, 998696), (310, 902048), (320, 873859), (434, 644320), (448, 624185), (496, 563780), (560, 499348), (620, 451024), (868, 322160), (992, 281890), (1085, 257728), (1120, 249674), (1240, 225512), (1736, 161080), (1984, 140945), (2170, 128864), (2240, 124837), (2480, 112756), (3472, 80540), (4027, 69440), (4340, 64432), (4960, 56378), (6944, 40270), (8054, 34720), (8680, 32216), (9920, 28189), (13888, 20135), (16108, 17360)]