205220520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 256

約数和(自身を含む): 735264000

約数和(自身を除く): 530043480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 73, 76, 90, 95, 108, 114, 120, 135, 137, 146, 152, 171, 180, 190, 216, 219, 228, 270, 274, 285, 292, 342, 360, 365, 380, 411, 438, 456, 513, 540, 548, 570, 584, 657, 684, 685, 730, 760, 822, 855, 876, 1026, 1080, 1095, 1096, 1140, 1233, 1314, 1368, 1370, 1387, 1460, 1644, 1710, 1752, 1971, 2052, 2055, 2190, 2280, 2466, 2565, 2603, 2628, 2740, 2774, 2920, 3285, 3288, 3420, 3699, 3942, 4104, 4110, 4161, 4380, 4932, 5130, 5206, 5256, 5480, 5548, 6165, 6570, 6840, 6935, 7398, 7809, 7884, 8220, 8322, 8760, 9855, 9864, 10001, 10260, 10412, 11096, 12330, 12483, 13015, 13140, 13870, 14796, 15618, 15768, 16440, 16644, 18495, 19710, 20002, 20520, 20805, 20824, 23427, 24660, 24966, 26030, 26280, 27740, 29592, 30003, 31236, 33288, 36990, 37449, 39045, 39420, 40004, 41610, 46854, 49320, 49932, 50005, 52060, 55480, 60006, 62415, 62472, 70281, 73980, 74898, 78090, 78840, 80008, 83220, 90009, 93708, 99864, 100010, 104120, 117135, 120012, 124830, 140562, 147960, 149796, 150015, 156180, 166440, 180018, 187245, 187416, 190019, 200020, 234270, 240024, 249660, 270027, 281124, 299592, 300030, 312360, 351405, 360036, 374490, 380038, 400040, 450045, 468540, 499320, 540054, 562248, 570057, 600060, 702810, 720072, 748980, 760076, 900090, 937080, 950095, 1080108, 1140114, 1200120, 1350135, 1405620, 1497960, 1520152, 1710171, 1800180, 1900190, 2160216, 2280228, 2700270, 2811240, 2850285, 3420342, 3600360, 3800380, 4560456, 5130513, 5400540, 5700570, 6840684, 7600760, 8550855, 10261026, 10801080, 11401140, 13681368, 17101710, 20522052, 22802280, 25652565, 34203420, 41044104, 51305130, 68406840, 102610260, 205220520]

約数ペア:

[(1, 205220520), (2, 102610260), (3, 68406840), (4, 51305130), (5, 41044104), (6, 34203420), (8, 25652565), (9, 22802280), (10, 20522052), (12, 17101710), (15, 13681368), (18, 11401140), (19, 10801080), (20, 10261026), (24, 8550855), (27, 7600760), (30, 6840684), (36, 5700570), (38, 5400540), (40, 5130513), (45, 4560456), (54, 3800380), (57, 3600360), (60, 3420342), (72, 2850285), (73, 2811240), (76, 2700270), (90, 2280228), (95, 2160216), (108, 1900190), (114, 1800180), (120, 1710171), (135, 1520152), (137, 1497960), (146, 1405620), (152, 1350135), (171, 1200120), (180, 1140114), (190, 1080108), (216, 950095), (219, 937080), (228, 900090), (270, 760076), (274, 748980), (285, 720072), (292, 702810), (342, 600060), (360, 570057), (365, 562248), (380, 540054), (411, 499320), (438, 468540), (456, 450045), (513, 400040), (540, 380038), (548, 374490), (570, 360036), (584, 351405), (657, 312360), (684, 300030), (685, 299592), (730, 281124), (760, 270027), (822, 249660), (855, 240024), (876, 234270), (1026, 200020), (1080, 190019), (1095, 187416), (1096, 187245), (1140, 180018), (1233, 166440), (1314, 156180), (1368, 150015), (1370, 149796), (1387, 147960), (1460, 140562), (1644, 124830), (1710, 120012), (1752, 117135), (1971, 104120), (2052, 100010), (2055, 99864), (2190, 93708), (2280, 90009), (2466, 83220), (2565, 80008), (2603, 78840), (2628, 78090), (2740, 74898), (2774, 73980), (2920, 70281), (3285, 62472), (3288, 62415), (3420, 60006), (3699, 55480), (3942, 52060), (4104, 50005), (4110, 49932), (4161, 49320), (4380, 46854), (4932, 41610), (5130, 40004), (5206, 39420), (5256, 39045), (5480, 37449), (5548, 36990), (6165, 33288), (6570, 31236), (6840, 30003), (6935, 29592), (7398, 27740), (7809, 26280), (7884, 26030), (8220, 24966), (8322, 24660), (8760, 23427), (9855, 20824), (9864, 20805), (10001, 20520), (10260, 20002), (10412, 19710), (11096, 18495), (12330, 16644), (12483, 16440), (13015, 15768), (13140, 15618), (13870, 14796)]