51720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 191175264

約数和(自身を除く): 139455024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 121, 130, 132, 137, 143, 156, 165, 176, 195, 208, 220, 240, 242, 260, 264, 274, 286, 312, 330, 363, 390, 411, 429, 440, 484, 520, 528, 548, 572, 605, 624, 660, 685, 715, 726, 780, 822, 858, 880, 968, 1040, 1096, 1144, 1210, 1320, 1370, 1430, 1452, 1507, 1560, 1573, 1644, 1716, 1781, 1815, 1936, 2055, 2145, 2192, 2288, 2420, 2640, 2740, 2860, 2904, 3014, 3120, 3146, 3288, 3432, 3562, 3630, 4110, 4290, 4521, 4719, 4840, 5343, 5480, 5720, 5808, 6028, 6292, 6576, 6864, 7124, 7260, 7535, 7865, 8220, 8580, 8905, 9042, 9438, 9680, 10686, 10960, 11440, 12056, 12584, 14248, 14520, 15070, 15730, 16440, 16577, 17160, 17810, 18084, 18876, 19591, 21372, 22605, 23595, 24112, 25168, 26715, 28496, 29040, 30140, 31460, 32880, 33154, 34320, 35620, 36168, 37752, 39182, 42744, 45210, 47190, 49731, 53430, 58773, 60280, 62920, 66308, 71240, 72336, 75504, 78364, 82885, 85488, 90420, 94380, 97955, 99462, 106860, 117546, 120560, 125840, 132616, 142480, 156728, 165770, 180840, 188760, 195910, 198924, 213720, 215501, 235092, 248655, 265232, 293865, 313456, 331540, 361680, 377520, 391820, 397848, 427440, 431002, 470184, 497310, 587730, 646503, 663080, 783640, 795696, 862004, 940368, 994620, 1077505, 1175460, 1293006, 1326160, 1567280, 1724008, 1989240, 2155010, 2350920, 2586012, 3232515, 3448016, 3978480, 4310020, 4701840, 5172024, 6465030, 8620040, 10344048, 12930060, 17240080, 25860120, 51720240]

約数ペア:

[(1, 51720240), (2, 25860120), (3, 17240080), (4, 12930060), (5, 10344048), (6, 8620040), (8, 6465030), (10, 5172024), (11, 4701840), (12, 4310020), (13, 3978480), (15, 3448016), (16, 3232515), (20, 2586012), (22, 2350920), (24, 2155010), (26, 1989240), (30, 1724008), (33, 1567280), (39, 1326160), (40, 1293006), (44, 1175460), (48, 1077505), (52, 994620), (55, 940368), (60, 862004), (65, 795696), (66, 783640), (78, 663080), (80, 646503), (88, 587730), (104, 497310), (110, 470184), (120, 431002), (121, 427440), (130, 397848), (132, 391820), (137, 377520), (143, 361680), (156, 331540), (165, 313456), (176, 293865), (195, 265232), (208, 248655), (220, 235092), (240, 215501), (242, 213720), (260, 198924), (264, 195910), (274, 188760), (286, 180840), (312, 165770), (330, 156728), (363, 142480), (390, 132616), (411, 125840), (429, 120560), (440, 117546), (484, 106860), (520, 99462), (528, 97955), (548, 94380), (572, 90420), (605, 85488), (624, 82885), (660, 78364), (685, 75504), (715, 72336), (726, 71240), (780, 66308), (822, 62920), (858, 60280), (880, 58773), (968, 53430), (1040, 49731), (1096, 47190), (1144, 45210), (1210, 42744), (1320, 39182), (1370, 37752), (1430, 36168), (1452, 35620), (1507, 34320), (1560, 33154), (1573, 32880), (1644, 31460), (1716, 30140), (1781, 29040), (1815, 28496), (1936, 26715), (2055, 25168), (2145, 24112), (2192, 23595), (2288, 22605), (2420, 21372), (2640, 19591), (2740, 18876), (2860, 18084), (2904, 17810), (3014, 17160), (3120, 16577), (3146, 16440), (3288, 15730), (3432, 15070), (3562, 14520), (3630, 14248), (4110, 12584), (4290, 12056), (4521, 11440), (4719, 10960), (4840, 10686), (5343, 9680), (5480, 9438), (5720, 9042), (5808, 8905), (6028, 8580), (6292, 8220), (6576, 7865), (6864, 7535), (7124, 7260)]