2440798020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 7668111360

約数和(自身を除く): 5227313340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 421, 465, 558, 620, 842, 930, 1039, 1116, 1263, 1395, 1684, 1860, 2078, 2105, 2526, 2790, 3117, 3789, 4156, 4210, 5052, 5195, 5580, 6234, 6315, 7578, 8420, 9351, 10390, 12468, 12630, 13051, 15156, 15585, 18702, 18945, 20780, 25260, 26102, 31170, 32209, 37404, 37890, 39153, 46755, 52204, 62340, 64418, 65255, 75780, 78306, 93510, 96627, 117459, 128836, 130510, 156612, 161045, 187020, 193254, 195765, 234918, 261020, 289881, 322090, 386508, 391530, 437419, 469836, 483135, 579762, 587295, 644180, 783060, 874838, 966270, 1159524, 1174590, 1312257, 1449405, 1749676, 1932540, 2187095, 2349180, 2624514, 2898810, 3936771, 4374190, 5249028, 5797620, 6561285, 7873542, 8748380, 13122570, 13559989, 15747084, 19683855, 26245140, 27119978, 39367710, 40679967, 54239956, 67799945, 78735420, 81359934, 122039901, 135599890, 162719868, 203399835, 244079802, 271199780, 406799670, 488159604, 610199505, 813599340, 1220399010, 2440798020]

約数ペア:

[(1, 2440798020), (2, 1220399010), (3, 813599340), (4, 610199505), (5, 488159604), (6, 406799670), (9, 271199780), (10, 244079802), (12, 203399835), (15, 162719868), (18, 135599890), (20, 122039901), (30, 81359934), (31, 78735420), (36, 67799945), (45, 54239956), (60, 40679967), (62, 39367710), (90, 27119978), (93, 26245140), (124, 19683855), (155, 15747084), (180, 13559989), (186, 13122570), (279, 8748380), (310, 7873542), (372, 6561285), (421, 5797620), (465, 5249028), (558, 4374190), (620, 3936771), (842, 2898810), (930, 2624514), (1039, 2349180), (1116, 2187095), (1263, 1932540), (1395, 1749676), (1684, 1449405), (1860, 1312257), (2078, 1174590), (2105, 1159524), (2526, 966270), (2790, 874838), (3117, 783060), (3789, 644180), (4156, 587295), (4210, 579762), (5052, 483135), (5195, 469836), (5580, 437419), (6234, 391530), (6315, 386508), (7578, 322090), (8420, 289881), (9351, 261020), (10390, 234918), (12468, 195765), (12630, 193254), (13051, 187020), (15156, 161045), (15585, 156612), (18702, 130510), (18945, 128836), (20780, 117459), (25260, 96627), (26102, 93510), (31170, 78306), (32209, 75780), (37404, 65255), (37890, 64418), (39153, 62340), (46755, 52204)]