78501120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20443}}^1$

素因数の和:20467

約数の個数: 72

約数和(自身を含む): 250725216

約数和(自身を除く): 172224096

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, 20443, 40886, 61329, 81772, 102215, 122658, 163544, 204430, 245316, 306645, 327088, 408860, 490632, 613290, 654176, 817720, 981264, 1226580, 1308352, 1635440, 1962528, 2453160, 2616704, 3270880, 3925056, 4906320, 5233408, 6541760, 7850112, 9812640, 13083520, 15700224, 19625280, 26167040, 39250560, 78501120]

約数ペア:

[(1, 78501120), (2, 39250560), (3, 26167040), (4, 19625280), (5, 15700224), (6, 13083520), (8, 9812640), (10, 7850112), (12, 6541760), (15, 5233408), (16, 4906320), (20, 3925056), (24, 3270880), (30, 2616704), (32, 2453160), (40, 1962528), (48, 1635440), (60, 1308352), (64, 1226580), (80, 981264), (96, 817720), (120, 654176), (128, 613290), (160, 490632), (192, 408860), (240, 327088), (256, 306645), (320, 245316), (384, 204430), (480, 163544), (640, 122658), (768, 102215), (960, 81772), (1280, 61329), (1920, 40886), (3840, 20443)]