621505920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 256

約数和(自身を含む): 2287802880

約数和(自身を除く): 1666296960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 131, 140, 160, 168, 192, 210, 224, 240, 262, 280, 320, 336, 353, 384, 393, 420, 448, 480, 524, 560, 640, 655, 672, 706, 786, 840, 896, 917, 960, 1048, 1059, 1120, 1310, 1344, 1412, 1572, 1680, 1765, 1834, 1920, 1965, 2096, 2118, 2240, 2471, 2620, 2688, 2751, 2824, 3144, 3360, 3530, 3668, 3930, 4192, 4236, 4480, 4585, 4942, 5240, 5295, 5502, 5648, 6288, 6720, 7060, 7336, 7413, 7860, 8384, 8472, 9170, 9884, 10480, 10590, 11004, 11296, 12355, 12576, 13440, 13755, 14120, 14672, 14826, 15720, 16768, 16944, 18340, 19768, 20960, 21180, 22008, 22592, 24710, 25152, 27510, 28240, 29344, 29652, 31440, 33888, 36680, 37065, 39536, 41920, 42360, 44016, 45184, 46243, 49420, 50304, 55020, 56480, 58688, 59304, 62880, 67776, 73360, 74130, 79072, 83840, 84720, 88032, 92486, 98840, 110040, 112960, 117376, 118608, 125760, 135552, 138729, 146720, 148260, 158144, 169440, 176064, 184972, 197680, 220080, 225920, 231215, 237216, 251520, 277458, 293440, 296520, 316288, 323701, 338880, 352128, 369944, 395360, 440160, 462430, 474432, 554916, 586880, 593040, 647402, 677760, 693645, 739888, 790720, 880320, 924860, 948864, 971103, 1109832, 1186080, 1294804, 1387290, 1479776, 1581440, 1618505, 1760640, 1849720, 1942206, 2219664, 2372160, 2589608, 2774580, 2959552, 3237010, 3699440, 3884412, 4439328, 4744320, 4855515, 5179216, 5549160, 5919104, 6474020, 7398880, 7768824, 8878656, 9711030, 10358432, 11098320, 12948040, 14797760, 15537648, 17757312, 19422060, 20716864, 22196640, 25896080, 29595520, 31075296, 38844120, 41433728, 44393280, 51792160, 62150592, 77688240, 88786560, 103584320, 124301184, 155376480, 207168640, 310752960, 621505920]

約数ペア:

[(1, 621505920), (2, 310752960), (3, 207168640), (4, 155376480), (5, 124301184), (6, 103584320), (7, 88786560), (8, 77688240), (10, 62150592), (12, 51792160), (14, 44393280), (15, 41433728), (16, 38844120), (20, 31075296), (21, 29595520), (24, 25896080), (28, 22196640), (30, 20716864), (32, 19422060), (35, 17757312), (40, 15537648), (42, 14797760), (48, 12948040), (56, 11098320), (60, 10358432), (64, 9711030), (70, 8878656), (80, 7768824), (84, 7398880), (96, 6474020), (105, 5919104), (112, 5549160), (120, 5179216), (128, 4855515), (131, 4744320), (140, 4439328), (160, 3884412), (168, 3699440), (192, 3237010), (210, 2959552), (224, 2774580), (240, 2589608), (262, 2372160), (280, 2219664), (320, 1942206), (336, 1849720), (353, 1760640), (384, 1618505), (393, 1581440), (420, 1479776), (448, 1387290), (480, 1294804), (524, 1186080), (560, 1109832), (640, 971103), (655, 948864), (672, 924860), (706, 880320), (786, 790720), (840, 739888), (896, 693645), (917, 677760), (960, 647402), (1048, 593040), (1059, 586880), (1120, 554916), (1310, 474432), (1344, 462430), (1412, 440160), (1572, 395360), (1680, 369944), (1765, 352128), (1834, 338880), (1920, 323701), (1965, 316288), (2096, 296520), (2118, 293440), (2240, 277458), (2471, 251520), (2620, 237216), (2688, 231215), (2751, 225920), (2824, 220080), (3144, 197680), (3360, 184972), (3530, 176064), (3668, 169440), (3930, 158144), (4192, 148260), (4236, 146720), (4480, 138729), (4585, 135552), (4942, 125760), (5240, 118608), (5295, 117376), (5502, 112960), (5648, 110040), (6288, 98840), (6720, 92486), (7060, 88032), (7336, 84720), (7413, 83840), (7860, 79072), (8384, 74130), (8472, 73360), (9170, 67776), (9884, 62880), (10480, 59304), (10590, 58688), (11004, 56480), (11296, 55020), (12355, 50304), (12576, 49420), (13440, 46243), (13755, 45184), (14120, 44016), (14672, 42360), (14826, 41920), (15720, 39536), (16768, 37065), (16944, 36680), (18340, 33888), (19768, 31440), (20960, 29652), (21180, 29344), (22008, 28240), (22592, 27510), (24710, 25152)]