1239305600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 3406865280

約数和(自身を除く): 2167559680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 640, 650, 775, 800, 806, 832, 961, 992, 1040, 1240, 1300, 1550, 1600, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3844, 3968, 4030, 4160, 4805, 4960, 5200, 6200, 6448, 7688, 8060, 8320, 9610, 9920, 10075, 10400, 12400, 12493, 12896, 15376, 16120, 19220, 19840, 20150, 20800, 24025, 24800, 24986, 25792, 29791, 30752, 32240, 38440, 40300, 41600, 48050, 49600, 49972, 51584, 59582, 61504, 62465, 64480, 76880, 80600, 96100, 99200, 99944, 119164, 123008, 124930, 128960, 148955, 153760, 161200, 192200, 199888, 238328, 249860, 257920, 297910, 307520, 312325, 322400, 384400, 387283, 399776, 476656, 499720, 595820, 615040, 624650, 644800, 744775, 768800, 774566, 799552, 953312, 999440, 1191640, 1249300, 1289600, 1489550, 1537600, 1549132, 1599104, 1906624, 1936415, 1998880, 2383280, 2498600, 2979100, 3075200, 3098264, 3813248, 3872830, 3997760, 4766560, 4997200, 5958200, 6196528, 7745660, 7995520, 9533120, 9682075, 9994400, 11916400, 12393056, 15491320, 19066240, 19364150, 19988800, 23832800, 24786112, 30982640, 38728300, 39977600, 47665600, 49572224, 61965280, 77456600, 95331200, 123930560, 154913200, 247861120, 309826400, 619652800, 1239305600]

約数ペア:

[(1, 1239305600), (2, 619652800), (4, 309826400), (5, 247861120), (8, 154913200), (10, 123930560), (13, 95331200), (16, 77456600), (20, 61965280), (25, 49572224), (26, 47665600), (31, 39977600), (32, 38728300), (40, 30982640), (50, 24786112), (52, 23832800), (62, 19988800), (64, 19364150), (65, 19066240), (80, 15491320), (100, 12393056), (104, 11916400), (124, 9994400), (128, 9682075), (130, 9533120), (155, 7995520), (160, 7745660), (200, 6196528), (208, 5958200), (248, 4997200), (260, 4766560), (310, 3997760), (320, 3872830), (325, 3813248), (400, 3098264), (403, 3075200), (416, 2979100), (496, 2498600), (520, 2383280), (620, 1998880), (640, 1936415), (650, 1906624), (775, 1599104), (800, 1549132), (806, 1537600), (832, 1489550), (961, 1289600), (992, 1249300), (1040, 1191640), (1240, 999440), (1300, 953312), (1550, 799552), (1600, 774566), (1612, 768800), (1664, 744775), (1922, 644800), (1984, 624650), (2015, 615040), (2080, 595820), (2480, 499720), (2600, 476656), (3100, 399776), (3200, 387283), (3224, 384400), (3844, 322400), (3968, 312325), (4030, 307520), (4160, 297910), (4805, 257920), (4960, 249860), (5200, 238328), (6200, 199888), (6448, 192200), (7688, 161200), (8060, 153760), (8320, 148955), (9610, 128960), (9920, 124930), (10075, 123008), (10400, 119164), (12400, 99944), (12493, 99200), (12896, 96100), (15376, 80600), (16120, 76880), (19220, 64480), (19840, 62465), (20150, 61504), (20800, 59582), (24025, 51584), (24800, 49972), (24986, 49600), (25792, 48050), (29791, 41600), (30752, 40300), (32240, 38440)]