19689978960

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12821}}^1$

素因数の和:12928

約数の個数: 240

約数和(自身を含む): 69448055040

約数和(自身を除く): 49758076080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 81, 90, 108, 120, 135, 144, 158, 162, 180, 216, 237, 240, 243, 270, 316, 324, 360, 395, 405, 432, 474, 486, 540, 632, 648, 711, 720, 790, 810, 948, 972, 1080, 1185, 1215, 1264, 1296, 1422, 1580, 1620, 1896, 1944, 2133, 2160, 2370, 2430, 2844, 3160, 3240, 3555, 3792, 3888, 4266, 4740, 4860, 5688, 6320, 6399, 6480, 7110, 8532, 9480, 9720, 10665, 11376, 12798, 12821, 14220, 17064, 18960, 19197, 19440, 21330, 25596, 25642, 28440, 31995, 34128, 38394, 38463, 42660, 51192, 51284, 56880, 63990, 64105, 76788, 76926, 85320, 95985, 102384, 102568, 115389, 127980, 128210, 153576, 153852, 170640, 191970, 192315, 205136, 230778, 255960, 256420, 307152, 307704, 346167, 383940, 384630, 461556, 511920, 512840, 576945, 615408, 692334, 767880, 769260, 923112, 1012859, 1025680, 1038501, 1153890, 1384668, 1535760, 1538520, 1730835, 1846224, 2025718, 2077002, 2307780, 2769336, 3038577, 3077040, 3115503, 3461670, 4051436, 4154004, 4615560, 5064295, 5192505, 5538672, 6077154, 6231006, 6923340, 8102872, 8308008, 9115731, 9231120, 10128590, 10385010, 12154308, 12462012, 13846680, 15192885, 15577515, 16205744, 16616016, 18231462, 20257180, 20770020, 24308616, 24924024, 27347193, 27693360, 30385770, 31155030, 36462924, 40514360, 41540040, 45578655, 48617232, 49848048, 54694386, 60771540, 62310060, 72925848, 81028720, 82041579, 83080080, 91157310, 109388772, 121543080, 124620120, 136735965, 145851696, 164083158, 182314620, 218777544, 243086160, 246124737, 249240240, 273471930, 328166316, 364629240, 410207895, 437555088, 492249474, 546943860, 656332632, 729258480, 820415790, 984498948, 1093887720, 1230623685, 1312665264, 1640831580, 1968997896, 2187775440, 2461247370, 3281663160, 3937995792, 4922494740, 6563326320, 9844989480, 19689978960]

約数ペア:

[(1, 19689978960), (2, 9844989480), (3, 6563326320), (4, 4922494740), (5, 3937995792), (6, 3281663160), (8, 2461247370), (9, 2187775440), (10, 1968997896), (12, 1640831580), (15, 1312665264), (16, 1230623685), (18, 1093887720), (20, 984498948), (24, 820415790), (27, 729258480), (30, 656332632), (36, 546943860), (40, 492249474), (45, 437555088), (48, 410207895), (54, 364629240), (60, 328166316), (72, 273471930), (79, 249240240), (80, 246124737), (81, 243086160), (90, 218777544), (108, 182314620), (120, 164083158), (135, 145851696), (144, 136735965), (158, 124620120), (162, 121543080), (180, 109388772), (216, 91157310), (237, 83080080), (240, 82041579), (243, 81028720), (270, 72925848), (316, 62310060), (324, 60771540), (360, 54694386), (395, 49848048), (405, 48617232), (432, 45578655), (474, 41540040), (486, 40514360), (540, 36462924), (632, 31155030), (648, 30385770), (711, 27693360), (720, 27347193), (790, 24924024), (810, 24308616), (948, 20770020), (972, 20257180), (1080, 18231462), (1185, 16616016), (1215, 16205744), (1264, 15577515), (1296, 15192885), (1422, 13846680), (1580, 12462012), (1620, 12154308), (1896, 10385010), (1944, 10128590), (2133, 9231120), (2160, 9115731), (2370, 8308008), (2430, 8102872), (2844, 6923340), (3160, 6231006), (3240, 6077154), (3555, 5538672), (3792, 5192505), (3888, 5064295), (4266, 4615560), (4740, 4154004), (4860, 4051436), (5688, 3461670), (6320, 3115503), (6399, 3077040), (6480, 3038577), (7110, 2769336), (8532, 2307780), (9480, 2077002), (9720, 2025718), (10665, 1846224), (11376, 1730835), (12798, 1538520), (12821, 1535760), (14220, 1384668), (17064, 1153890), (18960, 1038501), (19197, 1025680), (19440, 1012859), (21330, 923112), (25596, 769260), (25642, 767880), (28440, 692334), (31995, 615408), (34128, 576945), (38394, 512840), (38463, 511920), (42660, 461556), (51192, 384630), (51284, 383940), (56880, 346167), (63990, 307704), (64105, 307152), (76788, 256420), (76926, 255960), (85320, 230778), (95985, 205136), (102384, 192315), (102568, 191970), (115389, 170640), (127980, 153852), (128210, 153576)]