1297890720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:748

約数の個数: 288

約数和(自身を含む): 5090117760

約数和(自身を除く): 3792227040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 331, 336, 360, 389, 420, 480, 504, 560, 630, 662, 672, 720, 778, 840, 993, 1008, 1120, 1167, 1260, 1324, 1440, 1556, 1655, 1680, 1945, 1986, 2016, 2317, 2334, 2520, 2648, 2723, 2979, 3112, 3310, 3360, 3501, 3890, 3972, 4634, 4668, 4965, 5040, 5296, 5446, 5835, 5958, 6224, 6620, 6951, 7002, 7780, 7944, 8169, 9268, 9336, 9930, 10080, 10592, 10892, 11585, 11670, 11916, 12448, 13240, 13615, 13902, 14004, 14895, 15560, 15888, 16338, 17505, 18536, 18672, 19860, 20853, 21784, 23170, 23340, 23832, 24507, 26480, 27230, 27804, 28008, 29790, 31120, 31776, 32676, 34755, 35010, 37072, 37344, 39720, 40845, 41706, 43568, 46340, 46680, 47664, 49014, 52960, 54460, 55608, 56016, 59580, 62240, 65352, 69510, 70020, 74144, 79440, 81690, 83412, 87136, 92680, 93360, 95328, 98028, 104265, 108920, 111216, 112032, 119160, 122535, 128759, 130704, 139020, 140040, 158880, 163380, 166824, 185360, 186720, 196056, 208530, 217840, 222432, 238320, 245070, 257518, 261408, 278040, 280080, 326760, 333648, 370720, 386277, 392112, 417060, 435680, 476640, 490140, 515036, 556080, 560160, 643795, 653520, 667296, 772554, 784224, 834120, 901313, 980280, 1030072, 1112160, 1158831, 1287590, 1307040, 1545108, 1668240, 1802626, 1931385, 1960560, 2060144, 2317662, 2575180, 2703939, 3090216, 3336480, 3605252, 3862770, 3921120, 4120288, 4506565, 4635324, 5150360, 5407878, 5794155, 6180432, 7210504, 7725540, 8111817, 9013130, 9270648, 10300720, 10815756, 11588310, 12360864, 13519695, 14421008, 15451080, 16223634, 18026260, 18541296, 20601440, 21631512, 23176620, 27039390, 28842016, 30902160, 32447268, 36052520, 37082592, 40559085, 43263024, 46353240, 54078780, 61804320, 64894536, 72105040, 81118170, 86526048, 92706480, 108157560, 129789072, 144210080, 162236340, 185412960, 216315120, 259578144, 324472680, 432630240, 648945360, 1297890720]

約数ペア:

[(1, 1297890720), (2, 648945360), (3, 432630240), (4, 324472680), (5, 259578144), (6, 216315120), (7, 185412960), (8, 162236340), (9, 144210080), (10, 129789072), (12, 108157560), (14, 92706480), (15, 86526048), (16, 81118170), (18, 72105040), (20, 64894536), (21, 61804320), (24, 54078780), (28, 46353240), (30, 43263024), (32, 40559085), (35, 37082592), (36, 36052520), (40, 32447268), (42, 30902160), (45, 28842016), (48, 27039390), (56, 23176620), (60, 21631512), (63, 20601440), (70, 18541296), (72, 18026260), (80, 16223634), (84, 15451080), (90, 14421008), (96, 13519695), (105, 12360864), (112, 11588310), (120, 10815756), (126, 10300720), (140, 9270648), (144, 9013130), (160, 8111817), (168, 7725540), (180, 7210504), (210, 6180432), (224, 5794155), (240, 5407878), (252, 5150360), (280, 4635324), (288, 4506565), (315, 4120288), (331, 3921120), (336, 3862770), (360, 3605252), (389, 3336480), (420, 3090216), (480, 2703939), (504, 2575180), (560, 2317662), (630, 2060144), (662, 1960560), (672, 1931385), (720, 1802626), (778, 1668240), (840, 1545108), (993, 1307040), (1008, 1287590), (1120, 1158831), (1167, 1112160), (1260, 1030072), (1324, 980280), (1440, 901313), (1556, 834120), (1655, 784224), (1680, 772554), (1945, 667296), (1986, 653520), (2016, 643795), (2317, 560160), (2334, 556080), (2520, 515036), (2648, 490140), (2723, 476640), (2979, 435680), (3112, 417060), (3310, 392112), (3360, 386277), (3501, 370720), (3890, 333648), (3972, 326760), (4634, 280080), (4668, 278040), (4965, 261408), (5040, 257518), (5296, 245070), (5446, 238320), (5835, 222432), (5958, 217840), (6224, 208530), (6620, 196056), (6951, 186720), (7002, 185360), (7780, 166824), (7944, 163380), (8169, 158880), (9268, 140040), (9336, 139020), (9930, 130704), (10080, 128759), (10592, 122535), (10892, 119160), (11585, 112032), (11670, 111216), (11916, 108920), (12448, 104265), (13240, 98028), (13615, 95328), (13902, 93360), (14004, 92680), (14895, 87136), (15560, 83412), (15888, 81690), (16338, 79440), (17505, 74144), (18536, 70020), (18672, 69510), (19860, 65352), (20853, 62240), (21784, 59580), (23170, 56016), (23340, 55608), (23832, 54460), (24507, 52960), (26480, 49014), (27230, 47664), (27804, 46680), (28008, 46340), (29790, 43568), (31120, 41706), (31776, 40845), (32676, 39720), (34755, 37344), (35010, 37072)]