1989240960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:835

約数の個数: 256

約数和(自身を含む): 7286031360

約数和(自身を除く): 5296790400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 283, 320, 336, 384, 420, 448, 480, 523, 560, 566, 640, 672, 840, 849, 896, 960, 1046, 1120, 1132, 1344, 1415, 1569, 1680, 1698, 1920, 1981, 2092, 2240, 2264, 2615, 2688, 2830, 3138, 3360, 3396, 3661, 3962, 4184, 4245, 4480, 4528, 5230, 5660, 5943, 6276, 6720, 6792, 7322, 7845, 7924, 8368, 8490, 9056, 9905, 10460, 10983, 11320, 11886, 12552, 13440, 13584, 14644, 15690, 15848, 16736, 16980, 18112, 18305, 19810, 20920, 21966, 22640, 23772, 25104, 27168, 29288, 29715, 31380, 31696, 33472, 33960, 36224, 36610, 39620, 41840, 43932, 45280, 47544, 50208, 54336, 54915, 58576, 59430, 62760, 63392, 66944, 67920, 73220, 79240, 83680, 87864, 90560, 95088, 100416, 108672, 109830, 117152, 118860, 125520, 126784, 135840, 146440, 148009, 158480, 167360, 175728, 181120, 190176, 200832, 219660, 234304, 237720, 251040, 253568, 271680, 292880, 296018, 316960, 334720, 351456, 380352, 439320, 444027, 468608, 475440, 502080, 543360, 585760, 592036, 633920, 702912, 740045, 760704, 878640, 888054, 950880, 1004160, 1036063, 1171520, 1184072, 1267840, 1405824, 1480090, 1757280, 1776108, 1901760, 2072126, 2220135, 2343040, 2368144, 2960180, 3108189, 3514560, 3552216, 3803520, 4144252, 4440270, 4736288, 5180315, 5920360, 6216378, 7029120, 7104432, 8288504, 8880540, 9472576, 10360630, 11840720, 12432756, 14208864, 15540945, 16577008, 17761080, 18945152, 20721260, 23681440, 24865512, 28417728, 31081890, 33154016, 35522160, 41442520, 47362880, 49731024, 56835456, 62163780, 66308032, 71044320, 82885040, 94725760, 99462048, 124327560, 132616064, 142088640, 165770080, 198924096, 248655120, 284177280, 331540160, 397848192, 497310240, 663080320, 994620480, 1989240960]

約数ペア:

[(1, 1989240960), (2, 994620480), (3, 663080320), (4, 497310240), (5, 397848192), (6, 331540160), (7, 284177280), (8, 248655120), (10, 198924096), (12, 165770080), (14, 142088640), (15, 132616064), (16, 124327560), (20, 99462048), (21, 94725760), (24, 82885040), (28, 71044320), (30, 66308032), (32, 62163780), (35, 56835456), (40, 49731024), (42, 47362880), (48, 41442520), (56, 35522160), (60, 33154016), (64, 31081890), (70, 28417728), (80, 24865512), (84, 23681440), (96, 20721260), (105, 18945152), (112, 17761080), (120, 16577008), (128, 15540945), (140, 14208864), (160, 12432756), (168, 11840720), (192, 10360630), (210, 9472576), (224, 8880540), (240, 8288504), (280, 7104432), (283, 7029120), (320, 6216378), (336, 5920360), (384, 5180315), (420, 4736288), (448, 4440270), (480, 4144252), (523, 3803520), (560, 3552216), (566, 3514560), (640, 3108189), (672, 2960180), (840, 2368144), (849, 2343040), (896, 2220135), (960, 2072126), (1046, 1901760), (1120, 1776108), (1132, 1757280), (1344, 1480090), (1415, 1405824), (1569, 1267840), (1680, 1184072), (1698, 1171520), (1920, 1036063), (1981, 1004160), (2092, 950880), (2240, 888054), (2264, 878640), (2615, 760704), (2688, 740045), (2830, 702912), (3138, 633920), (3360, 592036), (3396, 585760), (3661, 543360), (3962, 502080), (4184, 475440), (4245, 468608), (4480, 444027), (4528, 439320), (5230, 380352), (5660, 351456), (5943, 334720), (6276, 316960), (6720, 296018), (6792, 292880), (7322, 271680), (7845, 253568), (7924, 251040), (8368, 237720), (8490, 234304), (9056, 219660), (9905, 200832), (10460, 190176), (10983, 181120), (11320, 175728), (11886, 167360), (12552, 158480), (13440, 148009), (13584, 146440), (14644, 135840), (15690, 126784), (15848, 125520), (16736, 118860), (16980, 117152), (18112, 109830), (18305, 108672), (19810, 100416), (20920, 95088), (21966, 90560), (22640, 87864), (23772, 83680), (25104, 79240), (27168, 73220), (29288, 67920), (29715, 66944), (31380, 63392), (31696, 62760), (33472, 59430), (33960, 58576), (36224, 54915), (36610, 54336), (39620, 50208), (41840, 47544), (43932, 45280)]