77502720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20183}}^1$

素因数の和:20207

約数の個数: 72

約数和(自身を含む): 247536576

約数和(自身を除く): 170033856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20183, 40366, 60549, 80732, 100915, 121098, 161464, 201830, 242196, 302745, 322928, 403660, 484392, 605490, 645856, 807320, 968784, 1210980, 1291712, 1614640, 1937568, 2421960, 2583424, 3229280, 3875136, 4843920, 5166848, 6458560, 7750272, 9687840, 12917120, 15500544, 19375680, 25834240, 38751360, 77502720]

約数ペア:

[(1, 77502720), (2, 38751360), (3, 25834240), (4, 19375680), (5, 15500544), (6, 12917120), (8, 9687840), (10, 7750272), (12, 6458560), (15, 5166848), (16, 4843920), (20, 3875136), (24, 3229280), (30, 2583424), (32, 2421960), (40, 1937568), (48, 1614640), (60, 1291712), (64, 1210980), (80, 968784), (96, 807320), (120, 645856), (128, 605490), (160, 484392), (192, 403660), (240, 322928), (256, 302745), (320, 242196), (384, 201830), (480, 161464), (640, 121098), (768, 100915), (960, 80732), (1280, 60549), (1920, 40366), (3840, 20183)]