20571903600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:808

約数の個数: 240

約数和(自身を含む): 66682636800

約数和(自身を除く): 46110733200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 199, 200, 240, 277, 300, 311, 398, 400, 554, 597, 600, 622, 796, 831, 933, 995, 1108, 1194, 1200, 1244, 1385, 1555, 1592, 1662, 1866, 1990, 2216, 2388, 2488, 2770, 2985, 3110, 3184, 3324, 3732, 3980, 4155, 4432, 4665, 4776, 4975, 4976, 5540, 5970, 6220, 6648, 6925, 7464, 7775, 7960, 8310, 9330, 9552, 9950, 11080, 11940, 12440, 13296, 13850, 14925, 14928, 15550, 15920, 16620, 18660, 19900, 20775, 22160, 23325, 23880, 24880, 27700, 29850, 31100, 33240, 37320, 39800, 41550, 46650, 47760, 55123, 55400, 59700, 61889, 62200, 66480, 74640, 79600, 83100, 86147, 93300, 110246, 110800, 119400, 123778, 124400, 165369, 166200, 172294, 185667, 186600, 220492, 238800, 247556, 258441, 275615, 309445, 330738, 332400, 344588, 371334, 373200, 430735, 440984, 495112, 516882, 551230, 618890, 661476, 689176, 742668, 826845, 861470, 881968, 928335, 990224, 1033764, 1102460, 1237780, 1292205, 1322952, 1378075, 1378352, 1485336, 1547225, 1653690, 1722940, 1856670, 2067528, 2153675, 2204920, 2475560, 2584410, 2645904, 2756150, 2970672, 3094450, 3307380, 3445880, 3713340, 4134225, 4135056, 4307350, 4409840, 4641675, 4951120, 5168820, 5512300, 6188900, 6461025, 6614760, 6891760, 7426680, 8268450, 8614700, 9283350, 10337640, 11024600, 12377800, 12922050, 13229520, 14853360, 16536900, 17143253, 17229400, 18566700, 20675280, 22049200, 24755600, 25844100, 33073800, 34286506, 34458800, 37133400, 51429759, 51688200, 66147600, 68573012, 74266800, 85716265, 102859518, 103376400, 137146024, 171432530, 205719036, 257148795, 274292048, 342865060, 411438072, 428581325, 514297590, 685730120, 822876144, 857162650, 1028595180, 1285743975, 1371460240, 1714325300, 2057190360, 2571487950, 3428650600, 4114380720, 5142975900, 6857301200, 10285951800, 20571903600]

約数ペア:

[(1, 20571903600), (2, 10285951800), (3, 6857301200), (4, 5142975900), (5, 4114380720), (6, 3428650600), (8, 2571487950), (10, 2057190360), (12, 1714325300), (15, 1371460240), (16, 1285743975), (20, 1028595180), (24, 857162650), (25, 822876144), (30, 685730120), (40, 514297590), (48, 428581325), (50, 411438072), (60, 342865060), (75, 274292048), (80, 257148795), (100, 205719036), (120, 171432530), (150, 137146024), (199, 103376400), (200, 102859518), (240, 85716265), (277, 74266800), (300, 68573012), (311, 66147600), (398, 51688200), (400, 51429759), (554, 37133400), (597, 34458800), (600, 34286506), (622, 33073800), (796, 25844100), (831, 24755600), (933, 22049200), (995, 20675280), (1108, 18566700), (1194, 17229400), (1200, 17143253), (1244, 16536900), (1385, 14853360), (1555, 13229520), (1592, 12922050), (1662, 12377800), (1866, 11024600), (1990, 10337640), (2216, 9283350), (2388, 8614700), (2488, 8268450), (2770, 7426680), (2985, 6891760), (3110, 6614760), (3184, 6461025), (3324, 6188900), (3732, 5512300), (3980, 5168820), (4155, 4951120), (4432, 4641675), (4665, 4409840), (4776, 4307350), (4975, 4135056), (4976, 4134225), (5540, 3713340), (5970, 3445880), (6220, 3307380), (6648, 3094450), (6925, 2970672), (7464, 2756150), (7775, 2645904), (7960, 2584410), (8310, 2475560), (9330, 2204920), (9552, 2153675), (9950, 2067528), (11080, 1856670), (11940, 1722940), (12440, 1653690), (13296, 1547225), (13850, 1485336), (14925, 1378352), (14928, 1378075), (15550, 1322952), (15920, 1292205), (16620, 1237780), (18660, 1102460), (19900, 1033764), (20775, 990224), (22160, 928335), (23325, 881968), (23880, 861470), (24880, 826845), (27700, 742668), (29850, 689176), (31100, 661476), (33240, 618890), (37320, 551230), (39800, 516882), (41550, 495112), (46650, 440984), (47760, 430735), (55123, 373200), (55400, 371334), (59700, 344588), (61889, 332400), (62200, 330738), (66480, 309445), (74640, 275615), (79600, 258441), (83100, 247556), (86147, 238800), (93300, 220492), (110246, 186600), (110800, 185667), (119400, 172294), (123778, 166200), (124400, 165369)]