321179640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 1084752000

約数和(自身を除く): 763572360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 61, 68, 85, 87, 89, 102, 116, 120, 122, 136, 145, 170, 174, 178, 183, 204, 232, 244, 255, 267, 290, 305, 340, 348, 356, 366, 408, 435, 445, 488, 493, 510, 534, 580, 610, 680, 696, 712, 732, 870, 890, 915, 986, 1020, 1037, 1068, 1160, 1220, 1335, 1464, 1479, 1513, 1740, 1769, 1780, 1830, 1972, 2040, 2074, 2136, 2440, 2465, 2581, 2670, 2958, 3026, 3111, 3480, 3538, 3560, 3660, 3944, 4148, 4539, 4930, 5162, 5185, 5307, 5340, 5429, 5916, 6052, 6222, 7076, 7320, 7395, 7565, 7743, 8296, 8845, 9078, 9860, 10324, 10370, 10614, 10680, 10858, 11832, 12104, 12444, 12905, 14152, 14790, 15130, 15486, 15555, 16287, 17690, 18156, 19720, 20648, 20740, 21228, 21716, 22695, 24888, 25810, 26535, 27145, 29580, 30073, 30260, 30972, 31110, 32574, 35380, 36312, 38715, 41480, 42456, 43432, 43877, 45390, 51620, 53070, 54290, 59160, 60146, 60520, 61944, 62220, 65148, 70760, 77430, 81435, 87754, 90219, 90780, 92293, 103240, 106140, 108580, 120292, 124440, 130296, 131631, 150365, 154860, 157441, 162870, 175508, 180438, 181560, 184586, 212280, 217160, 219385, 240584, 263262, 276879, 300730, 309720, 314882, 325740, 351016, 360876, 369172, 438770, 451095, 461465, 472323, 526524, 553758, 601460, 629764, 651480, 658155, 721752, 738344, 787205, 877540, 902190, 922930, 944646, 1053048, 1107516, 1202920, 1259528, 1316310, 1384395, 1574410, 1755080, 1804380, 1845860, 1889292, 2215032, 2361615, 2632620, 2676497, 2768790, 3148820, 3608760, 3691720, 3778584, 4723230, 5265240, 5352994, 5537580, 6297640, 8029491, 9446460, 10705988, 11075160, 13382485, 16058982, 18892920, 21411976, 26764970, 32117964, 40147455, 53529940, 64235928, 80294910, 107059880, 160589820, 321179640]

約数ペア:

[(1, 321179640), (2, 160589820), (3, 107059880), (4, 80294910), (5, 64235928), (6, 53529940), (8, 40147455), (10, 32117964), (12, 26764970), (15, 21411976), (17, 18892920), (20, 16058982), (24, 13382485), (29, 11075160), (30, 10705988), (34, 9446460), (40, 8029491), (51, 6297640), (58, 5537580), (60, 5352994), (61, 5265240), (68, 4723230), (85, 3778584), (87, 3691720), (89, 3608760), (102, 3148820), (116, 2768790), (120, 2676497), (122, 2632620), (136, 2361615), (145, 2215032), (170, 1889292), (174, 1845860), (178, 1804380), (183, 1755080), (204, 1574410), (232, 1384395), (244, 1316310), (255, 1259528), (267, 1202920), (290, 1107516), (305, 1053048), (340, 944646), (348, 922930), (356, 902190), (366, 877540), (408, 787205), (435, 738344), (445, 721752), (488, 658155), (493, 651480), (510, 629764), (534, 601460), (580, 553758), (610, 526524), (680, 472323), (696, 461465), (712, 451095), (732, 438770), (870, 369172), (890, 360876), (915, 351016), (986, 325740), (1020, 314882), (1037, 309720), (1068, 300730), (1160, 276879), (1220, 263262), (1335, 240584), (1464, 219385), (1479, 217160), (1513, 212280), (1740, 184586), (1769, 181560), (1780, 180438), (1830, 175508), (1972, 162870), (2040, 157441), (2074, 154860), (2136, 150365), (2440, 131631), (2465, 130296), (2581, 124440), (2670, 120292), (2958, 108580), (3026, 106140), (3111, 103240), (3480, 92293), (3538, 90780), (3560, 90219), (3660, 87754), (3944, 81435), (4148, 77430), (4539, 70760), (4930, 65148), (5162, 62220), (5185, 61944), (5307, 60520), (5340, 60146), (5429, 59160), (5916, 54290), (6052, 53070), (6222, 51620), (7076, 45390), (7320, 43877), (7395, 43432), (7565, 42456), (7743, 41480), (8296, 38715), (8845, 36312), (9078, 35380), (9860, 32574), (10324, 31110), (10370, 30972), (10614, 30260), (10680, 30073), (10858, 29580), (11832, 27145), (12104, 26535), (12444, 25810), (12905, 24888), (14152, 22695), (14790, 21716), (15130, 21228), (15486, 20740), (15555, 20648), (16287, 19720), (17690, 18156)]