20502270720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31223}}^1$

素因数の和:31272

約数の個数: 288

約数和(自身を含む): 76586227200

約数和(自身を除く): 56083956480

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, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2304, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3840, 4104, 4320, 4560, 4864, 5130, 5472, 5760, 6080, 6840, 6912, 7296, 8208, 8640, 9120, 10260, 10944, 11520, 12160, 13680, 14592, 16416, 17280, 18240, 20520, 21888, 24320, 27360, 31223, 32832, 34560, 36480, 41040, 43776, 54720, 62446, 65664, 72960, 82080, 93669, 109440, 124892, 131328, 156115, 164160, 187338, 218880, 249784, 281007, 312230, 328320, 374676, 468345, 499568, 562014, 593237, 624460, 656640, 749352, 843021, 936690, 999136, 1124028, 1186474, 1248920, 1405035, 1498704, 1686042, 1779711, 1873380, 1998272, 2248056, 2372948, 2497840, 2810070, 2966185, 2997408, 3372084, 3559422, 3746760, 3996544, 4215105, 4496112, 4745896, 4995680, 5339133, 5620140, 5932370, 5994816, 6744168, 7118844, 7493520, 7993088, 8430210, 8898555, 8992224, 9491792, 9991360, 10678266, 11240280, 11864740, 11989632, 13488336, 14237688, 14987040, 16017399, 16860420, 17797110, 17984448, 18983584, 19982720, 21356532, 22480560, 23729480, 23979264, 26695665, 26976672, 28475376, 29974080, 32034798, 33720840, 35594220, 35968896, 37967168, 39965440, 42713064, 44961120, 47458960, 53391330, 53953344, 56950752, 59948160, 64069596, 67441680, 71188440, 71937792, 75934336, 80086995, 85426128, 89922240, 94917920, 106782660, 107906688, 113901504, 119896320, 128139192, 134883360, 142376880, 151868672, 160173990, 170852256, 179844480, 189835840, 213565320, 215813376, 227803008, 256278384, 269766720, 284753760, 320347980, 341704512, 359688960, 379671680, 427130640, 455606016, 512556768, 539533440, 569507520, 640695960, 683409024, 759343360, 854261280, 1025113536, 1079066880, 1139015040, 1281391920, 1366818048, 1708522560, 2050227072, 2278030080, 2562783840, 3417045120, 4100454144, 5125567680, 6834090240, 10251135360, 20502270720]

約数ペア:

[(1, 20502270720), (2, 10251135360), (3, 6834090240), (4, 5125567680), (5, 4100454144), (6, 3417045120), (8, 2562783840), (9, 2278030080), (10, 2050227072), (12, 1708522560), (15, 1366818048), (16, 1281391920), (18, 1139015040), (19, 1079066880), (20, 1025113536), (24, 854261280), (27, 759343360), (30, 683409024), (32, 640695960), (36, 569507520), (38, 539533440), (40, 512556768), (45, 455606016), (48, 427130640), (54, 379671680), (57, 359688960), (60, 341704512), (64, 320347980), (72, 284753760), (76, 269766720), (80, 256278384), (90, 227803008), (95, 215813376), (96, 213565320), (108, 189835840), (114, 179844480), (120, 170852256), (128, 160173990), (135, 151868672), (144, 142376880), (152, 134883360), (160, 128139192), (171, 119896320), (180, 113901504), (190, 107906688), (192, 106782660), (216, 94917920), (228, 89922240), (240, 85426128), (256, 80086995), (270, 75934336), (285, 71937792), (288, 71188440), (304, 67441680), (320, 64069596), (342, 59948160), (360, 56950752), (380, 53953344), (384, 53391330), (432, 47458960), (456, 44961120), (480, 42713064), (513, 39965440), (540, 37967168), (570, 35968896), (576, 35594220), (608, 33720840), (640, 32034798), (684, 29974080), (720, 28475376), (760, 26976672), (768, 26695665), (855, 23979264), (864, 23729480), (912, 22480560), (960, 21356532), (1026, 19982720), (1080, 18983584), (1140, 17984448), (1152, 17797110), (1216, 16860420), (1280, 16017399), (1368, 14987040), (1440, 14237688), (1520, 13488336), (1710, 11989632), (1728, 11864740), (1824, 11240280), (1920, 10678266), (2052, 9991360), (2160, 9491792), (2280, 8992224), (2304, 8898555), (2432, 8430210), (2565, 7993088), (2736, 7493520), (2880, 7118844), (3040, 6744168), (3420, 5994816), (3456, 5932370), (3648, 5620140), (3840, 5339133), (4104, 4995680), (4320, 4745896), (4560, 4496112), (4864, 4215105), (5130, 3996544), (5472, 3746760), (5760, 3559422), (6080, 3372084), (6840, 2997408), (6912, 2966185), (7296, 2810070), (8208, 2497840), (8640, 2372948), (9120, 2248056), (10260, 1998272), (10944, 1873380), (11520, 1779711), (12160, 1686042), (13680, 1498704), (14592, 1405035), (16416, 1248920), (17280, 1186474), (18240, 1124028), (20520, 999136), (21888, 936690), (24320, 843021), (27360, 749352), (31223, 656640), (32832, 624460), (34560, 593237), (36480, 562014), (41040, 499568), (43776, 468345), (54720, 374676), (62446, 328320), (65664, 312230), (72960, 281007), (82080, 249784), (93669, 218880), (109440, 187338), (124892, 164160), (131328, 156115)]