221395680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1553}}^1$

素因数の和:1591

約数の個数: 240

約数和(自身を含む): 852922224

約数和(自身を除く): 631526544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 594, 648, 660, 720, 792, 810, 864, 880, 891, 990, 1056, 1080, 1188, 1296, 1320, 1440, 1485, 1553, 1584, 1620, 1760, 1782, 1980, 2160, 2376, 2592, 2640, 2970, 3106, 3168, 3240, 3564, 3960, 4320, 4455, 4659, 4752, 5280, 5940, 6212, 6480, 7128, 7765, 7920, 8910, 9318, 9504, 11880, 12424, 12960, 13977, 14256, 15530, 15840, 17083, 17820, 18636, 23295, 23760, 24848, 27954, 28512, 31060, 34166, 35640, 37272, 41931, 46590, 47520, 49696, 51249, 55908, 62120, 68332, 69885, 71280, 74544, 83862, 85415, 93180, 102498, 111816, 124240, 125793, 136664, 139770, 142560, 149088, 153747, 167724, 170830, 186360, 204996, 209655, 223632, 248480, 251586, 256245, 273328, 279540, 307494, 335448, 341660, 372720, 409992, 419310, 447264, 461241, 503172, 512490, 546656, 559080, 614988, 628965, 670896, 683320, 745440, 768735, 819984, 838620, 922482, 1006344, 1024980, 1118160, 1229976, 1257930, 1341792, 1366640, 1383723, 1537470, 1639968, 1677240, 1844964, 2012688, 2049960, 2236320, 2306205, 2459952, 2515860, 2733280, 2767446, 3074940, 3354480, 3689928, 4025376, 4099920, 4612410, 4919904, 5031720, 5534892, 6149880, 6708960, 6918615, 7379856, 8199840, 9224820, 10063440, 11069784, 12299760, 13837230, 14759712, 18449640, 20126880, 22139568, 24599520, 27674460, 36899280, 44279136, 55348920, 73798560, 110697840, 221395680]

約数ペア:

[(1, 221395680), (2, 110697840), (3, 73798560), (4, 55348920), (5, 44279136), (6, 36899280), (8, 27674460), (9, 24599520), (10, 22139568), (11, 20126880), (12, 18449640), (15, 14759712), (16, 13837230), (18, 12299760), (20, 11069784), (22, 10063440), (24, 9224820), (27, 8199840), (30, 7379856), (32, 6918615), (33, 6708960), (36, 6149880), (40, 5534892), (44, 5031720), (45, 4919904), (48, 4612410), (54, 4099920), (55, 4025376), (60, 3689928), (66, 3354480), (72, 3074940), (80, 2767446), (81, 2733280), (88, 2515860), (90, 2459952), (96, 2306205), (99, 2236320), (108, 2049960), (110, 2012688), (120, 1844964), (132, 1677240), (135, 1639968), (144, 1537470), (160, 1383723), (162, 1366640), (165, 1341792), (176, 1257930), (180, 1229976), (198, 1118160), (216, 1024980), (220, 1006344), (240, 922482), (264, 838620), (270, 819984), (288, 768735), (297, 745440), (324, 683320), (330, 670896), (352, 628965), (360, 614988), (396, 559080), (405, 546656), (432, 512490), (440, 503172), (480, 461241), (495, 447264), (528, 419310), (540, 409992), (594, 372720), (648, 341660), (660, 335448), (720, 307494), (792, 279540), (810, 273328), (864, 256245), (880, 251586), (891, 248480), (990, 223632), (1056, 209655), (1080, 204996), (1188, 186360), (1296, 170830), (1320, 167724), (1440, 153747), (1485, 149088), (1553, 142560), (1584, 139770), (1620, 136664), (1760, 125793), (1782, 124240), (1980, 111816), (2160, 102498), (2376, 93180), (2592, 85415), (2640, 83862), (2970, 74544), (3106, 71280), (3168, 69885), (3240, 68332), (3564, 62120), (3960, 55908), (4320, 51249), (4455, 49696), (4659, 47520), (4752, 46590), (5280, 41931), (5940, 37272), (6212, 35640), (6480, 34166), (7128, 31060), (7765, 28512), (7920, 27954), (8910, 24848), (9318, 23760), (9504, 23295), (11880, 18636), (12424, 17820), (12960, 17083), (13977, 15840), (14256, 15530)]