205261560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1475

約数の個数: 256

約数和(自身を含む): 823680000

約数和(自身を除く): 618418440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1429, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2858, 3192, 3420, 3591, 3780, 3990, 4104, 4287, 4788, 5130, 5320, 5716, 5985, 6840, 7145, 7182, 7560, 7980, 8574, 9576, 10003, 10260, 11432, 11970, 12861, 14290, 14364, 15960, 17148, 17955, 20006, 20520, 21435, 23940, 25722, 27151, 28580, 28728, 30009, 34296, 35910, 38583, 40012, 42870, 47880, 50015, 51444, 54302, 57160, 60018, 64305, 71820, 77166, 80024, 81453, 85740, 90027, 100030, 102888, 108604, 120036, 128610, 135755, 143640, 150045, 154332, 162906, 171480, 180054, 190057, 192915, 200060, 217208, 240072, 244359, 257220, 270081, 271510, 300090, 308664, 325812, 360108, 380114, 385830, 400120, 407265, 450135, 488718, 514440, 540162, 543020, 570171, 600180, 651624, 720216, 733077, 760228, 771660, 814530, 900270, 950285, 977436, 1080324, 1086040, 1140342, 1200360, 1221795, 1350405, 1466154, 1520456, 1543320, 1629060, 1710513, 1800540, 1900570, 1954872, 2160648, 2280684, 2443590, 2700810, 2850855, 2932308, 3258120, 3421026, 3601080, 3665385, 3801140, 4561368, 4887180, 5131539, 5401620, 5701710, 5864616, 6842052, 7330770, 7602280, 8552565, 9774360, 10263078, 10803240, 11403420, 13684104, 14661540, 17105130, 20526156, 22806840, 25657695, 29323080, 34210260, 41052312, 51315390, 68420520, 102630780, 205261560]

約数ペア:

[(1, 205261560), (2, 102630780), (3, 68420520), (4, 51315390), (5, 41052312), (6, 34210260), (7, 29323080), (8, 25657695), (9, 22806840), (10, 20526156), (12, 17105130), (14, 14661540), (15, 13684104), (18, 11403420), (19, 10803240), (20, 10263078), (21, 9774360), (24, 8552565), (27, 7602280), (28, 7330770), (30, 6842052), (35, 5864616), (36, 5701710), (38, 5401620), (40, 5131539), (42, 4887180), (45, 4561368), (54, 3801140), (56, 3665385), (57, 3601080), (60, 3421026), (63, 3258120), (70, 2932308), (72, 2850855), (76, 2700810), (84, 2443590), (90, 2280684), (95, 2160648), (105, 1954872), (108, 1900570), (114, 1800540), (120, 1710513), (126, 1629060), (133, 1543320), (135, 1520456), (140, 1466154), (152, 1350405), (168, 1221795), (171, 1200360), (180, 1140342), (189, 1086040), (190, 1080324), (210, 977436), (216, 950285), (228, 900270), (252, 814530), (266, 771660), (270, 760228), (280, 733077), (285, 720216), (315, 651624), (342, 600180), (360, 570171), (378, 543020), (380, 540162), (399, 514440), (420, 488718), (456, 450135), (504, 407265), (513, 400120), (532, 385830), (540, 380114), (570, 360108), (630, 325812), (665, 308664), (684, 300090), (756, 271510), (760, 270081), (798, 257220), (840, 244359), (855, 240072), (945, 217208), (1026, 200060), (1064, 192915), (1080, 190057), (1140, 180054), (1197, 171480), (1260, 162906), (1330, 154332), (1368, 150045), (1429, 143640), (1512, 135755), (1596, 128610), (1710, 120036), (1890, 108604), (1995, 102888), (2052, 100030), (2280, 90027), (2394, 85740), (2520, 81453), (2565, 80024), (2660, 77166), (2858, 71820), (3192, 64305), (3420, 60018), (3591, 57160), (3780, 54302), (3990, 51444), (4104, 50015), (4287, 47880), (4788, 42870), (5130, 40012), (5320, 38583), (5716, 35910), (5985, 34296), (6840, 30009), (7145, 28728), (7182, 28580), (7560, 27151), (7980, 25722), (8574, 23940), (9576, 21435), (10003, 20520), (10260, 20006), (11432, 17955), (11970, 17148), (12861, 15960), (14290, 14364)]