2154811680

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{71257}}^1$

素因数の和:71288

約数の個数: 192

約数和(自身を含む): 8619367680

約数和(自身を除く): 6464556000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 71257, 142514, 213771, 285028, 356285, 427542, 498799, 570056, 641313, 712570, 855084, 997598, 1068855, 1140112, 1282626, 1425140, 1496397, 1710168, 1923939, 1995196, 2137710, 2280224, 2493995, 2565252, 2850280, 2992794, 3206565, 3420336, 3847878, 3990392, 4275420, 4489191, 4987990, 5130504, 5700560, 5985588, 6413130, 6840672, 7481985, 7695756, 7980784, 8550840, 8978382, 9619695, 9975980, 10261008, 11401120, 11971176, 12826260, 13467573, 14963970, 15391512, 15961568, 17101680, 17956764, 19239390, 19951960, 20522016, 22445955, 23942352, 25652520, 26935146, 29927940, 30783024, 34203360, 35913528, 38478780, 39903920, 44891910, 47884704, 51305040, 53870292, 59855880, 61566048, 67337865, 71827056, 76957560, 79807840, 89783820, 102610080, 107740584, 119711760, 134675730, 143654112, 153915120, 179567640, 215481168, 239423520, 269351460, 307830240, 359135280, 430962336, 538702920, 718270560, 1077405840, 2154811680]

約数ペア:

[(1, 2154811680), (2, 1077405840), (3, 718270560), (4, 538702920), (5, 430962336), (6, 359135280), (7, 307830240), (8, 269351460), (9, 239423520), (10, 215481168), (12, 179567640), (14, 153915120), (15, 143654112), (16, 134675730), (18, 119711760), (20, 107740584), (21, 102610080), (24, 89783820), (27, 79807840), (28, 76957560), (30, 71827056), (32, 67337865), (35, 61566048), (36, 59855880), (40, 53870292), (42, 51305040), (45, 47884704), (48, 44891910), (54, 39903920), (56, 38478780), (60, 35913528), (63, 34203360), (70, 30783024), (72, 29927940), (80, 26935146), (84, 25652520), (90, 23942352), (96, 22445955), (105, 20522016), (108, 19951960), (112, 19239390), (120, 17956764), (126, 17101680), (135, 15961568), (140, 15391512), (144, 14963970), (160, 13467573), (168, 12826260), (180, 11971176), (189, 11401120), (210, 10261008), (216, 9975980), (224, 9619695), (240, 8978382), (252, 8550840), (270, 7980784), (280, 7695756), (288, 7481985), (315, 6840672), (336, 6413130), (360, 5985588), (378, 5700560), (420, 5130504), (432, 4987990), (480, 4489191), (504, 4275420), (540, 3990392), (560, 3847878), (630, 3420336), (672, 3206565), (720, 2992794), (756, 2850280), (840, 2565252), (864, 2493995), (945, 2280224), (1008, 2137710), (1080, 1995196), (1120, 1923939), (1260, 1710168), (1440, 1496397), (1512, 1425140), (1680, 1282626), (1890, 1140112), (2016, 1068855), (2160, 997598), (2520, 855084), (3024, 712570), (3360, 641313), (3780, 570056), (4320, 498799), (5040, 427542), (6048, 356285), (7560, 285028), (10080, 213771), (15120, 142514), (30240, 71257)]