642231180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 2099719776

約数和(自身を除く): 1457488596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 67, 81, 90, 97, 108, 122, 134, 135, 162, 180, 183, 194, 201, 244, 268, 270, 291, 305, 324, 335, 366, 388, 402, 405, 485, 540, 549, 582, 603, 610, 670, 732, 804, 810, 873, 915, 970, 1005, 1098, 1164, 1206, 1220, 1340, 1455, 1620, 1647, 1746, 1809, 1830, 1940, 2010, 2196, 2412, 2619, 2745, 2910, 3015, 3294, 3492, 3618, 3660, 4020, 4087, 4365, 4941, 5238, 5427, 5490, 5820, 5917, 6030, 6499, 6588, 7236, 7857, 8174, 8235, 8730, 9045, 9882, 10476, 10854, 10980, 11834, 12060, 12261, 12998, 13095, 15714, 16348, 16470, 17460, 17751, 18090, 19497, 19764, 20435, 21708, 23668, 24522, 24705, 25996, 26190, 27135, 29585, 31428, 32495, 32940, 35502, 36180, 36783, 38994, 39285, 40870, 49044, 49410, 52380, 53253, 54270, 58491, 59170, 61305, 64990, 71004, 73566, 77988, 78570, 81740, 88755, 97485, 98820, 106506, 108540, 110349, 116982, 118340, 122610, 129980, 147132, 157140, 159759, 175473, 177510, 183915, 194970, 213012, 220698, 233964, 245220, 266265, 292455, 319518, 331047, 350946, 355020, 367830, 389940, 396439, 441396, 479277, 526419, 532530, 551745, 584910, 639036, 662094, 701892, 735660, 792878, 798795, 877365, 958554, 1052838, 1065060, 1103490, 1169820, 1189317, 1324188, 1585756, 1597590, 1655235, 1754730, 1917108, 1982195, 2105676, 2206980, 2378634, 2396385, 2632095, 3195180, 3310470, 3509460, 3567951, 3964390, 4757268, 4792770, 5264190, 5946585, 6620940, 7135902, 7928780, 9585540, 10528380, 10703853, 11893170, 14271804, 17839755, 21407706, 23786340, 32111559, 35679510, 42815412, 53519265, 64223118, 71359020, 107038530, 128446236, 160557795, 214077060, 321115590, 642231180]

約数ペア:

[(1, 642231180), (2, 321115590), (3, 214077060), (4, 160557795), (5, 128446236), (6, 107038530), (9, 71359020), (10, 64223118), (12, 53519265), (15, 42815412), (18, 35679510), (20, 32111559), (27, 23786340), (30, 21407706), (36, 17839755), (45, 14271804), (54, 11893170), (60, 10703853), (61, 10528380), (67, 9585540), (81, 7928780), (90, 7135902), (97, 6620940), (108, 5946585), (122, 5264190), (134, 4792770), (135, 4757268), (162, 3964390), (180, 3567951), (183, 3509460), (194, 3310470), (201, 3195180), (244, 2632095), (268, 2396385), (270, 2378634), (291, 2206980), (305, 2105676), (324, 1982195), (335, 1917108), (366, 1754730), (388, 1655235), (402, 1597590), (405, 1585756), (485, 1324188), (540, 1189317), (549, 1169820), (582, 1103490), (603, 1065060), (610, 1052838), (670, 958554), (732, 877365), (804, 798795), (810, 792878), (873, 735660), (915, 701892), (970, 662094), (1005, 639036), (1098, 584910), (1164, 551745), (1206, 532530), (1220, 526419), (1340, 479277), (1455, 441396), (1620, 396439), (1647, 389940), (1746, 367830), (1809, 355020), (1830, 350946), (1940, 331047), (2010, 319518), (2196, 292455), (2412, 266265), (2619, 245220), (2745, 233964), (2910, 220698), (3015, 213012), (3294, 194970), (3492, 183915), (3618, 177510), (3660, 175473), (4020, 159759), (4087, 157140), (4365, 147132), (4941, 129980), (5238, 122610), (5427, 118340), (5490, 116982), (5820, 110349), (5917, 108540), (6030, 106506), (6499, 98820), (6588, 97485), (7236, 88755), (7857, 81740), (8174, 78570), (8235, 77988), (8730, 73566), (9045, 71004), (9882, 64990), (10476, 61305), (10854, 59170), (10980, 58491), (11834, 54270), (12060, 53253), (12261, 52380), (12998, 49410), (13095, 49044), (15714, 40870), (16348, 39285), (16470, 38994), (17460, 36783), (17751, 36180), (18090, 35502), (19497, 32940), (19764, 32495), (20435, 31428), (21708, 29585), (23668, 27135), (24522, 26190), (24705, 25996)]