72741120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 244789440

約数和(自身を除く): 172048320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 997, 1140, 1216, 1280, 1520, 1824, 1920, 1994, 2280, 2432, 2991, 3040, 3648, 3840, 3988, 4560, 4864, 4985, 5982, 6080, 7296, 7976, 9120, 9970, 11964, 12160, 14592, 14955, 15952, 18240, 18943, 19940, 23928, 24320, 29910, 31904, 36480, 37886, 39880, 47856, 56829, 59820, 63808, 72960, 75772, 79760, 94715, 95712, 113658, 119640, 127616, 151544, 159520, 189430, 191424, 227316, 239280, 255232, 284145, 303088, 319040, 378860, 382848, 454632, 478560, 568290, 606176, 638080, 757720, 765696, 909264, 957120, 1136580, 1212352, 1276160, 1515440, 1818528, 1914240, 2273160, 2424704, 3030880, 3637056, 3828480, 4546320, 4849408, 6061760, 7274112, 9092640, 12123520, 14548224, 18185280, 24247040, 36370560, 72741120]

約数ペア:

[(1, 72741120), (2, 36370560), (3, 24247040), (4, 18185280), (5, 14548224), (6, 12123520), (8, 9092640), (10, 7274112), (12, 6061760), (15, 4849408), (16, 4546320), (19, 3828480), (20, 3637056), (24, 3030880), (30, 2424704), (32, 2273160), (38, 1914240), (40, 1818528), (48, 1515440), (57, 1276160), (60, 1212352), (64, 1136580), (76, 957120), (80, 909264), (95, 765696), (96, 757720), (114, 638080), (120, 606176), (128, 568290), (152, 478560), (160, 454632), (190, 382848), (192, 378860), (228, 319040), (240, 303088), (256, 284145), (285, 255232), (304, 239280), (320, 227316), (380, 191424), (384, 189430), (456, 159520), (480, 151544), (570, 127616), (608, 119640), (640, 113658), (760, 95712), (768, 94715), (912, 79760), (960, 75772), (997, 72960), (1140, 63808), (1216, 59820), (1280, 56829), (1520, 47856), (1824, 39880), (1920, 37886), (1994, 36480), (2280, 31904), (2432, 29910), (2991, 24320), (3040, 23928), (3648, 19940), (3840, 18943), (3988, 18240), (4560, 15952), (4864, 14955), (4985, 14592), (5982, 12160), (6080, 11964), (7296, 9970), (7976, 9120)]