20951240800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:574

約数の個数: 288

約数和(自身を含む): 59756175360

約数和(自身を除く): 38804934560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 89, 100, 112, 127, 140, 160, 175, 178, 200, 224, 254, 280, 331, 350, 356, 400, 445, 508, 560, 623, 635, 662, 700, 712, 800, 889, 890, 1016, 1120, 1246, 1270, 1324, 1400, 1424, 1655, 1778, 1780, 2032, 2225, 2317, 2492, 2540, 2648, 2800, 2848, 3115, 3175, 3310, 3556, 3560, 4064, 4445, 4450, 4634, 4984, 5080, 5296, 5600, 6230, 6350, 6620, 7112, 7120, 8275, 8890, 8900, 9268, 9968, 10160, 10592, 11303, 11585, 12460, 12700, 13240, 14224, 14240, 15575, 16550, 17780, 17800, 18536, 19936, 20320, 22225, 22606, 23170, 24920, 25400, 26480, 28448, 29459, 31150, 33100, 35560, 35600, 37072, 42037, 44450, 45212, 46340, 49840, 50800, 52960, 56515, 57925, 58918, 62300, 66200, 71120, 71200, 74144, 79121, 84074, 88900, 90424, 92680, 99680, 101600, 113030, 115850, 117836, 124600, 132400, 142240, 147295, 158242, 168148, 177800, 180848, 185360, 206213, 210185, 226060, 231700, 235672, 249200, 264800, 282575, 294259, 294590, 316484, 336296, 355600, 361696, 370720, 395605, 412426, 420370, 452120, 463400, 471344, 498400, 565150, 588518, 589180, 632968, 672592, 711200, 736475, 791210, 824852, 840740, 904240, 926800, 942688, 1031065, 1050925, 1130300, 1177036, 1178360, 1265936, 1345184, 1471295, 1472950, 1582420, 1649704, 1681480, 1808480, 1853600, 1978025, 2062130, 2101850, 2260600, 2354072, 2356720, 2531872, 2942590, 2945900, 3164840, 3299408, 3362960, 3741293, 3956050, 4124260, 4203700, 4521200, 4708144, 4713440, 5155325, 5885180, 5891800, 6329680, 6598816, 6725920, 7356475, 7482586, 7912100, 8248520, 8407400, 9042400, 9416288, 10310650, 11770360, 11783600, 12659360, 14712950, 14965172, 15824200, 16497040, 16814800, 18706465, 20621300, 23540720, 23567200, 26189051, 29425900, 29930344, 31648400, 32994080, 33629600, 37412930, 41242600, 47081440, 52378102, 58851800, 59860688, 63296800, 74825860, 82485200, 93532325, 104756204, 117703600, 119721376, 130945255, 149651720, 164970400, 187064650, 209512408, 235407200, 261890510, 299303440, 374129300, 419024816, 523781020, 598606880, 654726275, 748258600, 838049632, 1047562040, 1309452550, 1496517200, 2095124080, 2618905100, 2993034400, 4190248160, 5237810200, 10475620400, 20951240800]

約数ペア:

[(1, 20951240800), (2, 10475620400), (4, 5237810200), (5, 4190248160), (7, 2993034400), (8, 2618905100), (10, 2095124080), (14, 1496517200), (16, 1309452550), (20, 1047562040), (25, 838049632), (28, 748258600), (32, 654726275), (35, 598606880), (40, 523781020), (50, 419024816), (56, 374129300), (70, 299303440), (80, 261890510), (89, 235407200), (100, 209512408), (112, 187064650), (127, 164970400), (140, 149651720), (160, 130945255), (175, 119721376), (178, 117703600), (200, 104756204), (224, 93532325), (254, 82485200), (280, 74825860), (331, 63296800), (350, 59860688), (356, 58851800), (400, 52378102), (445, 47081440), (508, 41242600), (560, 37412930), (623, 33629600), (635, 32994080), (662, 31648400), (700, 29930344), (712, 29425900), (800, 26189051), (889, 23567200), (890, 23540720), (1016, 20621300), (1120, 18706465), (1246, 16814800), (1270, 16497040), (1324, 15824200), (1400, 14965172), (1424, 14712950), (1655, 12659360), (1778, 11783600), (1780, 11770360), (2032, 10310650), (2225, 9416288), (2317, 9042400), (2492, 8407400), (2540, 8248520), (2648, 7912100), (2800, 7482586), (2848, 7356475), (3115, 6725920), (3175, 6598816), (3310, 6329680), (3556, 5891800), (3560, 5885180), (4064, 5155325), (4445, 4713440), (4450, 4708144), (4634, 4521200), (4984, 4203700), (5080, 4124260), (5296, 3956050), (5600, 3741293), (6230, 3362960), (6350, 3299408), (6620, 3164840), (7112, 2945900), (7120, 2942590), (8275, 2531872), (8890, 2356720), (8900, 2354072), (9268, 2260600), (9968, 2101850), (10160, 2062130), (10592, 1978025), (11303, 1853600), (11585, 1808480), (12460, 1681480), (12700, 1649704), (13240, 1582420), (14224, 1472950), (14240, 1471295), (15575, 1345184), (16550, 1265936), (17780, 1178360), (17800, 1177036), (18536, 1130300), (19936, 1050925), (20320, 1031065), (22225, 942688), (22606, 926800), (23170, 904240), (24920, 840740), (25400, 824852), (26480, 791210), (28448, 736475), (29459, 711200), (31150, 672592), (33100, 632968), (35560, 589180), (35600, 588518), (37072, 565150), (42037, 498400), (44450, 471344), (45212, 463400), (46340, 452120), (49840, 420370), (50800, 412426), (52960, 395605), (56515, 370720), (57925, 361696), (58918, 355600), (62300, 336296), (66200, 316484), (71120, 294590), (71200, 294259), (74144, 282575), (79121, 264800), (84074, 249200), (88900, 235672), (90424, 231700), (92680, 226060), (99680, 210185), (101600, 206213), (113030, 185360), (115850, 180848), (117836, 177800), (124600, 168148), (132400, 158242), (142240, 147295)]