1723680

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 240

約数和(自身を含む): 7318080

約数和(自身を除く): 5594400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 160, 162, 168, 171, 180, 189, 190, 210, 216, 224, 228, 240, 252, 266, 270, 280, 285, 288, 304, 315, 324, 336, 342, 360, 378, 380, 399, 405, 420, 432, 456, 480, 504, 513, 532, 540, 560, 567, 570, 608, 630, 648, 665, 672, 684, 720, 756, 760, 798, 810, 840, 855, 864, 912, 945, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1197, 1260, 1296, 1330, 1368, 1440, 1512, 1520, 1539, 1596, 1620, 1680, 1710, 1824, 1890, 1995, 2016, 2052, 2128, 2160, 2268, 2280, 2394, 2520, 2565, 2592, 2660, 2736, 2835, 3024, 3040, 3078, 3192, 3240, 3360, 3420, 3591, 3780, 3990, 4104, 4256, 4320, 4536, 4560, 4788, 5040, 5130, 5320, 5472, 5670, 5985, 6048, 6156, 6384, 6480, 6840, 7182, 7560, 7695, 7980, 8208, 9072, 9120, 9576, 10080, 10260, 10640, 10773, 11340, 11970, 12312, 12768, 12960, 13680, 14364, 15120, 15390, 15960, 16416, 17955, 18144, 19152, 20520, 21280, 21546, 22680, 23940, 24624, 27360, 28728, 30240, 30780, 31920, 35910, 38304, 41040, 43092, 45360, 47880, 49248, 53865, 57456, 61560, 63840, 71820, 82080, 86184, 90720, 95760, 107730, 114912, 123120, 143640, 172368, 191520, 215460, 246240, 287280, 344736, 430920, 574560, 861840, 1723680]

約数ペア:

[(1, 1723680), (2, 861840), (3, 574560), (4, 430920), (5, 344736), (6, 287280), (7, 246240), (8, 215460), (9, 191520), (10, 172368), (12, 143640), (14, 123120), (15, 114912), (16, 107730), (18, 95760), (19, 90720), (20, 86184), (21, 82080), (24, 71820), (27, 63840), (28, 61560), (30, 57456), (32, 53865), (35, 49248), (36, 47880), (38, 45360), (40, 43092), (42, 41040), (45, 38304), (48, 35910), (54, 31920), (56, 30780), (57, 30240), (60, 28728), (63, 27360), (70, 24624), (72, 23940), (76, 22680), (80, 21546), (81, 21280), (84, 20520), (90, 19152), (95, 18144), (96, 17955), (105, 16416), (108, 15960), (112, 15390), (114, 15120), (120, 14364), (126, 13680), (133, 12960), (135, 12768), (140, 12312), (144, 11970), (152, 11340), (160, 10773), (162, 10640), (168, 10260), (171, 10080), (180, 9576), (189, 9120), (190, 9072), (210, 8208), (216, 7980), (224, 7695), (228, 7560), (240, 7182), (252, 6840), (266, 6480), (270, 6384), (280, 6156), (285, 6048), (288, 5985), (304, 5670), (315, 5472), (324, 5320), (336, 5130), (342, 5040), (360, 4788), (378, 4560), (380, 4536), (399, 4320), (405, 4256), (420, 4104), (432, 3990), (456, 3780), (480, 3591), (504, 3420), (513, 3360), (532, 3240), (540, 3192), (560, 3078), (567, 3040), (570, 3024), (608, 2835), (630, 2736), (648, 2660), (665, 2592), (672, 2565), (684, 2520), (720, 2394), (756, 2280), (760, 2268), (798, 2160), (810, 2128), (840, 2052), (855, 2016), (864, 1995), (912, 1890), (945, 1824), (1008, 1710), (1026, 1680), (1064, 1620), (1080, 1596), (1120, 1539), (1134, 1520), (1140, 1512), (1197, 1440), (1260, 1368), (1296, 1330)]