20189749680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1236

約数の個数: 240

約数和(自身を含む): 68811444000

約数和(自身を除く): 48621694320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 509, 534, 619, 712, 720, 801, 890, 1018, 1068, 1238, 1335, 1424, 1527, 1602, 1780, 1857, 2036, 2136, 2476, 2545, 2670, 3054, 3095, 3204, 3560, 3714, 4005, 4072, 4272, 4581, 4952, 5090, 5340, 5571, 6108, 6190, 6408, 7120, 7428, 7635, 8010, 8144, 9162, 9285, 9904, 10180, 10680, 11142, 12216, 12380, 12816, 14856, 15270, 16020, 18324, 18570, 20360, 21360, 22284, 22905, 24432, 24760, 27855, 29712, 30540, 32040, 36648, 37140, 40720, 44568, 45301, 45810, 49520, 55091, 55710, 61080, 64080, 73296, 74280, 89136, 90602, 91620, 110182, 111420, 122160, 135903, 148560, 165273, 181204, 183240, 220364, 222840, 226505, 271806, 275455, 315071, 330546, 362408, 366480, 407709, 440728, 445680, 453010, 495819, 543612, 550910, 630142, 661092, 679515, 724816, 815418, 826365, 881456, 906020, 945213, 991638, 1087224, 1101820, 1260284, 1322184, 1359030, 1575355, 1630836, 1652730, 1812040, 1890426, 1983276, 2038545, 2174448, 2203640, 2479095, 2520568, 2644368, 2718060, 2835639, 3150710, 3261672, 3305460, 3624080, 3780852, 3966552, 4077090, 4407280, 4726065, 4958190, 5041136, 5436120, 5671278, 6301420, 6523344, 6610920, 7561704, 7933104, 8154180, 9452130, 9916380, 10872240, 11342556, 12602840, 13221840, 14178195, 15123408, 16308360, 18904260, 19832760, 22685112, 25205680, 28041319, 28356390, 32616720, 37808520, 39665520, 45370224, 56082638, 56712780, 75617040, 84123957, 112165276, 113425560, 140206595, 168247914, 224330552, 226851120, 252371871, 280413190, 336495828, 420619785, 448661104, 504743742, 560826380, 672991656, 841239570, 1009487484, 1121652760, 1261859355, 1345983312, 1682479140, 2018974968, 2243305520, 2523718710, 3364958280, 4037949936, 5047437420, 6729916560, 10094874840, 20189749680]

約数ペア:

[(1, 20189749680), (2, 10094874840), (3, 6729916560), (4, 5047437420), (5, 4037949936), (6, 3364958280), (8, 2523718710), (9, 2243305520), (10, 2018974968), (12, 1682479140), (15, 1345983312), (16, 1261859355), (18, 1121652760), (20, 1009487484), (24, 841239570), (30, 672991656), (36, 560826380), (40, 504743742), (45, 448661104), (48, 420619785), (60, 336495828), (72, 280413190), (80, 252371871), (89, 226851120), (90, 224330552), (120, 168247914), (144, 140206595), (178, 113425560), (180, 112165276), (240, 84123957), (267, 75617040), (356, 56712780), (360, 56082638), (445, 45370224), (509, 39665520), (534, 37808520), (619, 32616720), (712, 28356390), (720, 28041319), (801, 25205680), (890, 22685112), (1018, 19832760), (1068, 18904260), (1238, 16308360), (1335, 15123408), (1424, 14178195), (1527, 13221840), (1602, 12602840), (1780, 11342556), (1857, 10872240), (2036, 9916380), (2136, 9452130), (2476, 8154180), (2545, 7933104), (2670, 7561704), (3054, 6610920), (3095, 6523344), (3204, 6301420), (3560, 5671278), (3714, 5436120), (4005, 5041136), (4072, 4958190), (4272, 4726065), (4581, 4407280), (4952, 4077090), (5090, 3966552), (5340, 3780852), (5571, 3624080), (6108, 3305460), (6190, 3261672), (6408, 3150710), (7120, 2835639), (7428, 2718060), (7635, 2644368), (8010, 2520568), (8144, 2479095), (9162, 2203640), (9285, 2174448), (9904, 2038545), (10180, 1983276), (10680, 1890426), (11142, 1812040), (12216, 1652730), (12380, 1630836), (12816, 1575355), (14856, 1359030), (15270, 1322184), (16020, 1260284), (18324, 1101820), (18570, 1087224), (20360, 991638), (21360, 945213), (22284, 906020), (22905, 881456), (24432, 826365), (24760, 815418), (27855, 724816), (29712, 679515), (30540, 661092), (32040, 630142), (36648, 550910), (37140, 543612), (40720, 495819), (44568, 453010), (45301, 445680), (45810, 440728), (49520, 407709), (55091, 366480), (55710, 362408), (61080, 330546), (64080, 315071), (73296, 275455), (74280, 271806), (89136, 226505), (90602, 222840), (91620, 220364), (110182, 183240), (111420, 181204), (122160, 165273), (135903, 148560)]