128927520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89533}}^1$

素因数の和:89554

約数の個数: 72

約数和(自身を含む): 439970076

約数和(自身を除く): 311042556

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89533, 179066, 268599, 358132, 447665, 537198, 716264, 805797, 895330, 1074396, 1342995, 1432528, 1611594, 1790660, 2148792, 2685990, 2865056, 3223188, 3581320, 4028985, 4297584, 5371980, 6446376, 7162640, 8057970, 8595168, 10743960, 12892752, 14325280, 16115940, 21487920, 25785504, 32231880, 42975840, 64463760, 128927520]

約数ペア:

[(1, 128927520), (2, 64463760), (3, 42975840), (4, 32231880), (5, 25785504), (6, 21487920), (8, 16115940), (9, 14325280), (10, 12892752), (12, 10743960), (15, 8595168), (16, 8057970), (18, 7162640), (20, 6446376), (24, 5371980), (30, 4297584), (32, 4028985), (36, 3581320), (40, 3223188), (45, 2865056), (48, 2685990), (60, 2148792), (72, 1790660), (80, 1611594), (90, 1432528), (96, 1342995), (120, 1074396), (144, 895330), (160, 805797), (180, 716264), (240, 537198), (288, 447665), (360, 358132), (480, 268599), (720, 179066), (1440, 89533)]