221636520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 256

約数和(自身を含む): 889344000

約数和(自身を除く): 667707480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1543, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3086, 3192, 3420, 3591, 3780, 3990, 4104, 4629, 4788, 5130, 5320, 5985, 6172, 6840, 7182, 7560, 7715, 7980, 9258, 9576, 10260, 10801, 11970, 12344, 13887, 14364, 15430, 15960, 17955, 18516, 20520, 21602, 23145, 23940, 27774, 28728, 29317, 30860, 32403, 35910, 37032, 41661, 43204, 46290, 47880, 54005, 55548, 58634, 61720, 64806, 69435, 71820, 83322, 86408, 87951, 92580, 97209, 108010, 111096, 117268, 129612, 138870, 143640, 146585, 162015, 166644, 175902, 185160, 194418, 205219, 208305, 216020, 234536, 259224, 263853, 277740, 291627, 293170, 324030, 333288, 351804, 388836, 410438, 416610, 432040, 439755, 486045, 527706, 555480, 583254, 586340, 615657, 648060, 703608, 777672, 791559, 820876, 833220, 879510, 972090, 1026095, 1055412, 1166508, 1172680, 1231314, 1296120, 1319265, 1458135, 1583118, 1641752, 1666440, 1759020, 1846971, 1944180, 2052190, 2110824, 2333016, 2462628, 2638530, 2916270, 3078285, 3166236, 3518040, 3693942, 3888360, 3957795, 4104380, 4925256, 5277060, 5540913, 5832540, 6156570, 6332472, 7387884, 7915590, 8208760, 9234855, 10554120, 11081826, 11665080, 12313140, 14775768, 15831180, 18469710, 22163652, 24626280, 27704565, 31662360, 36939420, 44327304, 55409130, 73878840, 110818260, 221636520]

約数ペア:

[(1, 221636520), (2, 110818260), (3, 73878840), (4, 55409130), (5, 44327304), (6, 36939420), (7, 31662360), (8, 27704565), (9, 24626280), (10, 22163652), (12, 18469710), (14, 15831180), (15, 14775768), (18, 12313140), (19, 11665080), (20, 11081826), (21, 10554120), (24, 9234855), (27, 8208760), (28, 7915590), (30, 7387884), (35, 6332472), (36, 6156570), (38, 5832540), (40, 5540913), (42, 5277060), (45, 4925256), (54, 4104380), (56, 3957795), (57, 3888360), (60, 3693942), (63, 3518040), (70, 3166236), (72, 3078285), (76, 2916270), (84, 2638530), (90, 2462628), (95, 2333016), (105, 2110824), (108, 2052190), (114, 1944180), (120, 1846971), (126, 1759020), (133, 1666440), (135, 1641752), (140, 1583118), (152, 1458135), (168, 1319265), (171, 1296120), (180, 1231314), (189, 1172680), (190, 1166508), (210, 1055412), (216, 1026095), (228, 972090), (252, 879510), (266, 833220), (270, 820876), (280, 791559), (285, 777672), (315, 703608), (342, 648060), (360, 615657), (378, 586340), (380, 583254), (399, 555480), (420, 527706), (456, 486045), (504, 439755), (513, 432040), (532, 416610), (540, 410438), (570, 388836), (630, 351804), (665, 333288), (684, 324030), (756, 293170), (760, 291627), (798, 277740), (840, 263853), (855, 259224), (945, 234536), (1026, 216020), (1064, 208305), (1080, 205219), (1140, 194418), (1197, 185160), (1260, 175902), (1330, 166644), (1368, 162015), (1512, 146585), (1543, 143640), (1596, 138870), (1710, 129612), (1890, 117268), (1995, 111096), (2052, 108010), (2280, 97209), (2394, 92580), (2520, 87951), (2565, 86408), (2660, 83322), (3086, 71820), (3192, 69435), (3420, 64806), (3591, 61720), (3780, 58634), (3990, 55548), (4104, 54005), (4629, 47880), (4788, 46290), (5130, 43204), (5320, 41661), (5985, 37032), (6172, 35910), (6840, 32403), (7182, 30860), (7560, 29317), (7715, 28728), (7980, 27774), (9258, 23940), (9576, 23145), (10260, 21602), (10801, 20520), (11970, 18516), (12344, 17955), (13887, 15960), (14364, 15430)]