191232720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 240

約数和(自身を含む): 772986240

約数和(自身を除く): 581753520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 1997, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 3994, 4560, 4788, 5040, 5320, 5985, 5991, 6384, 6840, 7980, 7988, 9576, 9985, 10640, 11970, 11982, 13680, 13979, 15960, 15976, 17973, 19152, 19970, 23940, 23964, 27958, 29955, 31920, 31952, 35946, 37943, 39940, 41937, 47880, 47928, 55916, 59910, 69895, 71892, 75886, 79880, 83874, 89865, 95760, 95856, 111832, 113829, 119820, 125811, 139790, 143784, 151772, 159760, 167748, 179730, 189715, 209685, 223664, 227658, 239640, 251622, 265601, 279580, 287568, 303544, 335496, 341487, 359460, 379430, 419370, 455316, 479280, 503244, 531202, 559160, 569145, 607088, 629055, 670992, 682974, 718920, 758860, 796803, 838740, 910632, 1006488, 1062404, 1118320, 1138290, 1258110, 1328005, 1365948, 1437840, 1517720, 1593606, 1677480, 1707435, 1821264, 2012976, 2124808, 2276580, 2390409, 2516220, 2656010, 2731896, 3035440, 3187212, 3354960, 3414870, 3984015, 4249616, 4553160, 4780818, 5032440, 5312020, 5463792, 6374424, 6829740, 7968030, 9106320, 9561636, 10064880, 10624040, 11952045, 12748848, 13659480, 15936060, 19123272, 21248080, 23904090, 27318960, 31872120, 38246544, 47808180, 63744240, 95616360, 191232720]

約数ペア:

[(1, 191232720), (2, 95616360), (3, 63744240), (4, 47808180), (5, 38246544), (6, 31872120), (7, 27318960), (8, 23904090), (9, 21248080), (10, 19123272), (12, 15936060), (14, 13659480), (15, 12748848), (16, 11952045), (18, 10624040), (19, 10064880), (20, 9561636), (21, 9106320), (24, 7968030), (28, 6829740), (30, 6374424), (35, 5463792), (36, 5312020), (38, 5032440), (40, 4780818), (42, 4553160), (45, 4249616), (48, 3984015), (56, 3414870), (57, 3354960), (60, 3187212), (63, 3035440), (70, 2731896), (72, 2656010), (76, 2516220), (80, 2390409), (84, 2276580), (90, 2124808), (95, 2012976), (105, 1821264), (112, 1707435), (114, 1677480), (120, 1593606), (126, 1517720), (133, 1437840), (140, 1365948), (144, 1328005), (152, 1258110), (168, 1138290), (171, 1118320), (180, 1062404), (190, 1006488), (210, 910632), (228, 838740), (240, 796803), (252, 758860), (266, 718920), (280, 682974), (285, 670992), (304, 629055), (315, 607088), (336, 569145), (342, 559160), (360, 531202), (380, 503244), (399, 479280), (420, 455316), (456, 419370), (504, 379430), (532, 359460), (560, 341487), (570, 335496), (630, 303544), (665, 287568), (684, 279580), (720, 265601), (760, 251622), (798, 239640), (840, 227658), (855, 223664), (912, 209685), (1008, 189715), (1064, 179730), (1140, 167748), (1197, 159760), (1260, 151772), (1330, 143784), (1368, 139790), (1520, 125811), (1596, 119820), (1680, 113829), (1710, 111832), (1995, 95856), (1997, 95760), (2128, 89865), (2280, 83874), (2394, 79880), (2520, 75886), (2660, 71892), (2736, 69895), (3192, 59910), (3420, 55916), (3990, 47928), (3994, 47880), (4560, 41937), (4788, 39940), (5040, 37943), (5320, 35946), (5985, 31952), (5991, 31920), (6384, 29955), (6840, 27958), (7980, 23964), (7988, 23940), (9576, 19970), (9985, 19152), (10640, 17973), (11970, 15976), (11982, 15960), (13680, 13979)]