28820611440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{3331}}^1$

素因数の和:3608

約数の個数: 240

約数和(自身を含む): 98904982176

約数和(自身を除く): 70084370736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 197, 240, 244, 305, 360, 366, 394, 488, 549, 591, 610, 720, 732, 788, 915, 976, 985, 1098, 1182, 1220, 1464, 1576, 1773, 1830, 1970, 2196, 2364, 2440, 2745, 2928, 2955, 3152, 3331, 3546, 3660, 3940, 4392, 4728, 4880, 5490, 5910, 6662, 7092, 7320, 7880, 8784, 8865, 9456, 9993, 10980, 11820, 12017, 13324, 14184, 14640, 15760, 16655, 17730, 19986, 21960, 23640, 24034, 26648, 28368, 29979, 33310, 35460, 36051, 39972, 43920, 47280, 48068, 49965, 53296, 59958, 60085, 66620, 70920, 72102, 79944, 96136, 99930, 108153, 119916, 120170, 133240, 141840, 144204, 149895, 159888, 180255, 192272, 199860, 203191, 216306, 239832, 240340, 266480, 288408, 299790, 360510, 399720, 406382, 432612, 479664, 480680, 540765, 576816, 599580, 609573, 656207, 721020, 799440, 812764, 865224, 961360, 1015955, 1081530, 1199160, 1219146, 1312414, 1442040, 1625528, 1730448, 1828719, 1968621, 2031910, 2163060, 2398320, 2438292, 2624828, 2884080, 3047865, 3251056, 3281035, 3657438, 3937242, 4063820, 4326120, 4876584, 5249656, 5905863, 6095730, 6562070, 7314876, 7874484, 8127640, 8652240, 9143595, 9753168, 9843105, 10499312, 11811726, 12191460, 13124140, 14629752, 15748968, 16255280, 18287190, 19686210, 23623452, 24382920, 26248280, 29259504, 29529315, 31497936, 36574380, 39372420, 40028627, 47246904, 48765840, 52496560, 59058630, 73148760, 78744840, 80057254, 94493808, 118117260, 120085881, 146297520, 157489680, 160114508, 200143135, 236234520, 240171762, 320229016, 360257643, 400286270, 472469040, 480343524, 600429405, 640458032, 720515286, 800572540, 960687048, 1200858810, 1441030572, 1601145080, 1801288215, 1921374096, 2401717620, 2882061144, 3202290160, 3602576430, 4803435240, 5764122288, 7205152860, 9606870480, 14410305720, 28820611440]

約数ペア:

[(1, 28820611440), (2, 14410305720), (3, 9606870480), (4, 7205152860), (5, 5764122288), (6, 4803435240), (8, 3602576430), (9, 3202290160), (10, 2882061144), (12, 2401717620), (15, 1921374096), (16, 1801288215), (18, 1601145080), (20, 1441030572), (24, 1200858810), (30, 960687048), (36, 800572540), (40, 720515286), (45, 640458032), (48, 600429405), (60, 480343524), (61, 472469040), (72, 400286270), (80, 360257643), (90, 320229016), (120, 240171762), (122, 236234520), (144, 200143135), (180, 160114508), (183, 157489680), (197, 146297520), (240, 120085881), (244, 118117260), (305, 94493808), (360, 80057254), (366, 78744840), (394, 73148760), (488, 59058630), (549, 52496560), (591, 48765840), (610, 47246904), (720, 40028627), (732, 39372420), (788, 36574380), (915, 31497936), (976, 29529315), (985, 29259504), (1098, 26248280), (1182, 24382920), (1220, 23623452), (1464, 19686210), (1576, 18287190), (1773, 16255280), (1830, 15748968), (1970, 14629752), (2196, 13124140), (2364, 12191460), (2440, 11811726), (2745, 10499312), (2928, 9843105), (2955, 9753168), (3152, 9143595), (3331, 8652240), (3546, 8127640), (3660, 7874484), (3940, 7314876), (4392, 6562070), (4728, 6095730), (4880, 5905863), (5490, 5249656), (5910, 4876584), (6662, 4326120), (7092, 4063820), (7320, 3937242), (7880, 3657438), (8784, 3281035), (8865, 3251056), (9456, 3047865), (9993, 2884080), (10980, 2624828), (11820, 2438292), (12017, 2398320), (13324, 2163060), (14184, 2031910), (14640, 1968621), (15760, 1828719), (16655, 1730448), (17730, 1625528), (19986, 1442040), (21960, 1312414), (23640, 1219146), (24034, 1199160), (26648, 1081530), (28368, 1015955), (29979, 961360), (33310, 865224), (35460, 812764), (36051, 799440), (39972, 721020), (43920, 656207), (47280, 609573), (48068, 599580), (49965, 576816), (53296, 540765), (59958, 480680), (60085, 479664), (66620, 432612), (70920, 406382), (72102, 399720), (79944, 360510), (96136, 299790), (99930, 288408), (108153, 266480), (119916, 240340), (120170, 239832), (133240, 216306), (141840, 203191), (144204, 199860), (149895, 192272), (159888, 180255)]