1969920

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 180

約数和(自身を含む): 7419720

約数和(自身を除く): 5449800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1280, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2304, 2432, 2565, 2592, 2736, 2880, 3040, 3078, 3240, 3420, 3456, 3648, 3840, 4104, 4320, 4560, 4864, 5130, 5184, 5472, 5760, 6080, 6156, 6480, 6840, 6912, 7296, 7695, 8208, 8640, 9120, 10260, 10368, 10944, 11520, 12160, 12312, 12960, 13680, 14592, 15390, 16416, 17280, 18240, 20520, 20736, 21888, 24320, 24624, 25920, 27360, 30780, 32832, 34560, 36480, 41040, 43776, 49248, 51840, 54720, 61560, 65664, 72960, 82080, 98496, 103680, 109440, 123120, 131328, 164160, 196992, 218880, 246240, 328320, 393984, 492480, 656640, 984960, 1969920]

約数ペア:

[(1, 1969920), (2, 984960), (3, 656640), (4, 492480), (5, 393984), (6, 328320), (8, 246240), (9, 218880), (10, 196992), (12, 164160), (15, 131328), (16, 123120), (18, 109440), (19, 103680), (20, 98496), (24, 82080), (27, 72960), (30, 65664), (32, 61560), (36, 54720), (38, 51840), (40, 49248), (45, 43776), (48, 41040), (54, 36480), (57, 34560), (60, 32832), (64, 30780), (72, 27360), (76, 25920), (80, 24624), (81, 24320), (90, 21888), (95, 20736), (96, 20520), (108, 18240), (114, 17280), (120, 16416), (128, 15390), (135, 14592), (144, 13680), (152, 12960), (160, 12312), (162, 12160), (171, 11520), (180, 10944), (190, 10368), (192, 10260), (216, 9120), (228, 8640), (240, 8208), (256, 7695), (270, 7296), (285, 6912), (288, 6840), (304, 6480), (320, 6156), (324, 6080), (342, 5760), (360, 5472), (380, 5184), (384, 5130), (405, 4864), (432, 4560), (456, 4320), (480, 4104), (513, 3840), (540, 3648), (570, 3456), (576, 3420), (608, 3240), (640, 3078), (648, 3040), (684, 2880), (720, 2736), (760, 2592), (768, 2565), (810, 2432), (855, 2304), (864, 2280), (912, 2160), (960, 2052), (1026, 1920), (1080, 1824), (1140, 1728), (1152, 1710), (1216, 1620), (1280, 1539), (1296, 1520), (1368, 1440)]