18644640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 51028320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 179, 186, 210, 217, 224, 240, 248, 280, 310, 336, 358, 372, 420, 434, 465, 480, 496, 537, 560, 620, 651, 672, 716, 744, 840, 868, 895, 930, 992, 1074, 1085, 1120, 1240, 1253, 1302, 1432, 1488, 1680, 1736, 1790, 1860, 2148, 2170, 2480, 2506, 2604, 2685, 2864, 2976, 3255, 3360, 3472, 3580, 3720, 3759, 4296, 4340, 4960, 5012, 5208, 5370, 5549, 5728, 6265, 6510, 6944, 7160, 7440, 7518, 8592, 8680, 10024, 10416, 10740, 11098, 12530, 13020, 14320, 14880, 15036, 16647, 17184, 17360, 18795, 20048, 20832, 21480, 22196, 25060, 26040, 27745, 28640, 30072, 33294, 34720, 37590, 38843, 40096, 42960, 44392, 50120, 52080, 55490, 60144, 66588, 75180, 77686, 83235, 85920, 88784, 100240, 104160, 110980, 116529, 120288, 133176, 150360, 155372, 166470, 177568, 194215, 200480, 221960, 233058, 266352, 300720, 310744, 332940, 388430, 443920, 466116, 532704, 582645, 601440, 621488, 665880, 776860, 887840, 932232, 1165290, 1242976, 1331760, 1553720, 1864464, 2330580, 2663520, 3107440, 3728928, 4661160, 6214880, 9322320, 18644640]

約数ペア:

[(1, 18644640), (2, 9322320), (3, 6214880), (4, 4661160), (5, 3728928), (6, 3107440), (7, 2663520), (8, 2330580), (10, 1864464), (12, 1553720), (14, 1331760), (15, 1242976), (16, 1165290), (20, 932232), (21, 887840), (24, 776860), (28, 665880), (30, 621488), (31, 601440), (32, 582645), (35, 532704), (40, 466116), (42, 443920), (48, 388430), (56, 332940), (60, 310744), (62, 300720), (70, 266352), (80, 233058), (84, 221960), (93, 200480), (96, 194215), (105, 177568), (112, 166470), (120, 155372), (124, 150360), (140, 133176), (155, 120288), (160, 116529), (168, 110980), (179, 104160), (186, 100240), (210, 88784), (217, 85920), (224, 83235), (240, 77686), (248, 75180), (280, 66588), (310, 60144), (336, 55490), (358, 52080), (372, 50120), (420, 44392), (434, 42960), (465, 40096), (480, 38843), (496, 37590), (537, 34720), (560, 33294), (620, 30072), (651, 28640), (672, 27745), (716, 26040), (744, 25060), (840, 22196), (868, 21480), (895, 20832), (930, 20048), (992, 18795), (1074, 17360), (1085, 17184), (1120, 16647), (1240, 15036), (1253, 14880), (1302, 14320), (1432, 13020), (1488, 12530), (1680, 11098), (1736, 10740), (1790, 10416), (1860, 10024), (2148, 8680), (2170, 8592), (2480, 7518), (2506, 7440), (2604, 7160), (2685, 6944), (2864, 6510), (2976, 6265), (3255, 5728), (3360, 5549), (3472, 5370), (3580, 5208), (3720, 5012), (3759, 4960), (4296, 4340)]