1982888960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:131

約数の個数: 176

約数和(自身を含む): 5293247232

約数和(自身を除く): 3310358272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 961, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3844, 3968, 4030, 4160, 4805, 4960, 5120, 6448, 6656, 7688, 7936, 8060, 8320, 9610, 9920, 12493, 12896, 13312, 15376, 15872, 16120, 16640, 19220, 19840, 24986, 25792, 29791, 30752, 31744, 32240, 33280, 38440, 39680, 49972, 51584, 59582, 61504, 62465, 64480, 66560, 76880, 79360, 99944, 103168, 119164, 123008, 124930, 128960, 148955, 153760, 158720, 199888, 206336, 238328, 246016, 249860, 257920, 297910, 307520, 387283, 399776, 412672, 476656, 492032, 499720, 515840, 595820, 615040, 774566, 799552, 953312, 984064, 999440, 1031680, 1191640, 1230080, 1549132, 1599104, 1906624, 1936415, 1998880, 2063360, 2383280, 2460160, 3098264, 3198208, 3813248, 3872830, 3997760, 4766560, 4920320, 6196528, 6396416, 7626496, 7745660, 7995520, 9533120, 12393056, 12792832, 15252992, 15491320, 15991040, 19066240, 24786112, 30505984, 30982640, 31982080, 38132480, 49572224, 61965280, 63964160, 76264960, 99144448, 123930560, 152529920, 198288896, 247861120, 396577792, 495722240, 991444480, 1982888960]

約数ペア:

[(1, 1982888960), (2, 991444480), (4, 495722240), (5, 396577792), (8, 247861120), (10, 198288896), (13, 152529920), (16, 123930560), (20, 99144448), (26, 76264960), (31, 63964160), (32, 61965280), (40, 49572224), (52, 38132480), (62, 31982080), (64, 30982640), (65, 30505984), (80, 24786112), (104, 19066240), (124, 15991040), (128, 15491320), (130, 15252992), (155, 12792832), (160, 12393056), (208, 9533120), (248, 7995520), (256, 7745660), (260, 7626496), (310, 6396416), (320, 6196528), (403, 4920320), (416, 4766560), (496, 3997760), (512, 3872830), (520, 3813248), (620, 3198208), (640, 3098264), (806, 2460160), (832, 2383280), (961, 2063360), (992, 1998880), (1024, 1936415), (1040, 1906624), (1240, 1599104), (1280, 1549132), (1612, 1230080), (1664, 1191640), (1922, 1031680), (1984, 999440), (2015, 984064), (2080, 953312), (2480, 799552), (2560, 774566), (3224, 615040), (3328, 595820), (3844, 515840), (3968, 499720), (4030, 492032), (4160, 476656), (4805, 412672), (4960, 399776), (5120, 387283), (6448, 307520), (6656, 297910), (7688, 257920), (7936, 249860), (8060, 246016), (8320, 238328), (9610, 206336), (9920, 199888), (12493, 158720), (12896, 153760), (13312, 148955), (15376, 128960), (15872, 124930), (16120, 123008), (16640, 119164), (19220, 103168), (19840, 99944), (24986, 79360), (25792, 76880), (29791, 66560), (30752, 64480), (31744, 62465), (32240, 61504), (33280, 59582), (38440, 51584), (39680, 49972)]