171231480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 288

約数和(自身を含む): 686640240

約数和(自身を除く): 515408760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 98, 102, 105, 119, 120, 126, 136, 140, 147, 153, 168, 170, 180, 196, 204, 210, 238, 245, 252, 255, 280, 294, 306, 315, 340, 357, 360, 392, 408, 420, 441, 476, 490, 504, 510, 571, 588, 595, 612, 630, 680, 714, 735, 765, 833, 840, 882, 952, 980, 1020, 1071, 1142, 1176, 1190, 1224, 1260, 1428, 1470, 1530, 1666, 1713, 1764, 1785, 1960, 2040, 2142, 2205, 2284, 2380, 2499, 2520, 2855, 2856, 2940, 3060, 3332, 3426, 3528, 3570, 3997, 4165, 4284, 4410, 4568, 4760, 4998, 5139, 5355, 5710, 5880, 6120, 6664, 6852, 7140, 7497, 7994, 8330, 8565, 8568, 8820, 9707, 9996, 10278, 10710, 11420, 11991, 12495, 13704, 14280, 14994, 15988, 16660, 17130, 17640, 19414, 19985, 19992, 20556, 21420, 22840, 23982, 24990, 25695, 27979, 29121, 29988, 31976, 33320, 34260, 35973, 37485, 38828, 39970, 41112, 42840, 47964, 48535, 49980, 51390, 55958, 58242, 59955, 59976, 67949, 68520, 71946, 74970, 77656, 79940, 83937, 87363, 95928, 97070, 99960, 102780, 111916, 116484, 119910, 135898, 139895, 143892, 145605, 149940, 159880, 167874, 174726, 179865, 194140, 203847, 205560, 223832, 232968, 239820, 251811, 271796, 279790, 287784, 291210, 299880, 335748, 339745, 349452, 359730, 388280, 407694, 419685, 436815, 475643, 479640, 503622, 543592, 559580, 582420, 611541, 671496, 679490, 698904, 719460, 815388, 839370, 873630, 951286, 1007244, 1019235, 1119160, 1164840, 1223082, 1259055, 1358980, 1426929, 1438920, 1630776, 1678740, 1747260, 1902572, 2014488, 2038470, 2378215, 2446164, 2518110, 2717960, 2853858, 3057705, 3357480, 3494520, 3805144, 4076940, 4280787, 4756430, 4892328, 5036220, 5707716, 6115410, 7134645, 8153880, 8561574, 9512860, 10072440, 11415432, 12230820, 14269290, 17123148, 19025720, 21403935, 24461640, 28538580, 34246296, 42807870, 57077160, 85615740, 171231480]

約数ペア:

[(1, 171231480), (2, 85615740), (3, 57077160), (4, 42807870), (5, 34246296), (6, 28538580), (7, 24461640), (8, 21403935), (9, 19025720), (10, 17123148), (12, 14269290), (14, 12230820), (15, 11415432), (17, 10072440), (18, 9512860), (20, 8561574), (21, 8153880), (24, 7134645), (28, 6115410), (30, 5707716), (34, 5036220), (35, 4892328), (36, 4756430), (40, 4280787), (42, 4076940), (45, 3805144), (49, 3494520), (51, 3357480), (56, 3057705), (60, 2853858), (63, 2717960), (68, 2518110), (70, 2446164), (72, 2378215), (84, 2038470), (85, 2014488), (90, 1902572), (98, 1747260), (102, 1678740), (105, 1630776), (119, 1438920), (120, 1426929), (126, 1358980), (136, 1259055), (140, 1223082), (147, 1164840), (153, 1119160), (168, 1019235), (170, 1007244), (180, 951286), (196, 873630), (204, 839370), (210, 815388), (238, 719460), (245, 698904), (252, 679490), (255, 671496), (280, 611541), (294, 582420), (306, 559580), (315, 543592), (340, 503622), (357, 479640), (360, 475643), (392, 436815), (408, 419685), (420, 407694), (441, 388280), (476, 359730), (490, 349452), (504, 339745), (510, 335748), (571, 299880), (588, 291210), (595, 287784), (612, 279790), (630, 271796), (680, 251811), (714, 239820), (735, 232968), (765, 223832), (833, 205560), (840, 203847), (882, 194140), (952, 179865), (980, 174726), (1020, 167874), (1071, 159880), (1142, 149940), (1176, 145605), (1190, 143892), (1224, 139895), (1260, 135898), (1428, 119910), (1470, 116484), (1530, 111916), (1666, 102780), (1713, 99960), (1764, 97070), (1785, 95928), (1960, 87363), (2040, 83937), (2142, 79940), (2205, 77656), (2284, 74970), (2380, 71946), (2499, 68520), (2520, 67949), (2855, 59976), (2856, 59955), (2940, 58242), (3060, 55958), (3332, 51390), (3426, 49980), (3528, 48535), (3570, 47964), (3997, 42840), (4165, 41112), (4284, 39970), (4410, 38828), (4568, 37485), (4760, 35973), (4998, 34260), (5139, 33320), (5355, 31976), (5710, 29988), (5880, 29121), (6120, 27979), (6664, 25695), (6852, 24990), (7140, 23982), (7497, 22840), (7994, 21420), (8330, 20556), (8565, 19992), (8568, 19985), (8820, 19414), (9707, 17640), (9996, 17130), (10278, 16660), (10710, 15988), (11420, 14994), (11991, 14280), (12495, 13704)]