648945360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:746

約数の個数: 240

約数和(自身を含む): 2504661120

約数和(自身を除く): 1855715760

約数列:

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

約数ペア:

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