19942458720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{4049}}^1$

素因数の和:4429

約数の個数: 192

約数和(自身を含む): 65057126400

約数和(自身を除く): 45114667680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 331, 372, 465, 480, 496, 620, 662, 744, 930, 992, 993, 1240, 1324, 1488, 1655, 1860, 1986, 2480, 2648, 2976, 3310, 3720, 3972, 4049, 4960, 4965, 5296, 6620, 7440, 7944, 8098, 9930, 10261, 10592, 12147, 13240, 14880, 15888, 16196, 19860, 20245, 20522, 24294, 26480, 30783, 31776, 32392, 39720, 40490, 41044, 48588, 51305, 52960, 60735, 61566, 64784, 79440, 80980, 82088, 97176, 102610, 121470, 123132, 125519, 129568, 153915, 158880, 161960, 164176, 194352, 205220, 242940, 246264, 251038, 307830, 323920, 328352, 376557, 388704, 410440, 485880, 492528, 502076, 615660, 627595, 647840, 753114, 820880, 971760, 985056, 1004152, 1231320, 1255190, 1340219, 1506228, 1641760, 1882785, 1943520, 2008304, 2462640, 2510380, 2680438, 3012456, 3765570, 4016608, 4020657, 4925280, 5020760, 5360876, 6024912, 6701095, 7531140, 8041314, 10041520, 10721752, 12049824, 13402190, 15062280, 16082628, 20083040, 20103285, 21443504, 26804380, 30124560, 32165256, 40206570, 41546789, 42887008, 53608760, 60249120, 64330512, 80413140, 83093578, 107217520, 124640367, 128661024, 160826280, 166187156, 207733945, 214435040, 249280734, 321652560, 332374312, 415467890, 498561468, 623201835, 643305120, 664748624, 830935780, 997122936, 1246403670, 1329497248, 1661871560, 1994245872, 2492807340, 3323743120, 3988491744, 4985614680, 6647486240, 9971229360, 19942458720]

約数ペア:

[(1, 19942458720), (2, 9971229360), (3, 6647486240), (4, 4985614680), (5, 3988491744), (6, 3323743120), (8, 2492807340), (10, 1994245872), (12, 1661871560), (15, 1329497248), (16, 1246403670), (20, 997122936), (24, 830935780), (30, 664748624), (31, 643305120), (32, 623201835), (40, 498561468), (48, 415467890), (60, 332374312), (62, 321652560), (80, 249280734), (93, 214435040), (96, 207733945), (120, 166187156), (124, 160826280), (155, 128661024), (160, 124640367), (186, 107217520), (240, 83093578), (248, 80413140), (310, 64330512), (331, 60249120), (372, 53608760), (465, 42887008), (480, 41546789), (496, 40206570), (620, 32165256), (662, 30124560), (744, 26804380), (930, 21443504), (992, 20103285), (993, 20083040), (1240, 16082628), (1324, 15062280), (1488, 13402190), (1655, 12049824), (1860, 10721752), (1986, 10041520), (2480, 8041314), (2648, 7531140), (2976, 6701095), (3310, 6024912), (3720, 5360876), (3972, 5020760), (4049, 4925280), (4960, 4020657), (4965, 4016608), (5296, 3765570), (6620, 3012456), (7440, 2680438), (7944, 2510380), (8098, 2462640), (9930, 2008304), (10261, 1943520), (10592, 1882785), (12147, 1641760), (13240, 1506228), (14880, 1340219), (15888, 1255190), (16196, 1231320), (19860, 1004152), (20245, 985056), (20522, 971760), (24294, 820880), (26480, 753114), (30783, 647840), (31776, 627595), (32392, 615660), (39720, 502076), (40490, 492528), (41044, 485880), (48588, 410440), (51305, 388704), (52960, 376557), (60735, 328352), (61566, 323920), (64784, 307830), (79440, 251038), (80980, 246264), (82088, 242940), (97176, 205220), (102610, 194352), (121470, 164176), (123132, 161960), (125519, 158880), (129568, 153915)]