56321280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{4889}}^1$

素因数の和:4916

約数の個数: 108

約数和(自身を含む): 194905620

約数和(自身を除く): 138584340

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 4889, 5760, 9778, 11520, 14667, 19556, 24445, 29334, 39112, 44001, 48890, 58668, 73335, 78224, 88002, 97780, 117336, 146670, 156448, 176004, 195560, 220005, 234672, 293340, 312896, 352008, 391120, 440010, 469344, 586680, 625792, 704016, 782240, 880020, 938688, 1173360, 1251584, 1408032, 1564480, 1760040, 1877376, 2346720, 2816064, 3128960, 3520080, 3754752, 4693440, 5632128, 6257920, 7040160, 9386880, 11264256, 14080320, 18773760, 28160640, 56321280]

約数ペア:

[(1, 56321280), (2, 28160640), (3, 18773760), (4, 14080320), (5, 11264256), (6, 9386880), (8, 7040160), (9, 6257920), (10, 5632128), (12, 4693440), (15, 3754752), (16, 3520080), (18, 3128960), (20, 2816064), (24, 2346720), (30, 1877376), (32, 1760040), (36, 1564480), (40, 1408032), (45, 1251584), (48, 1173360), (60, 938688), (64, 880020), (72, 782240), (80, 704016), (90, 625792), (96, 586680), (120, 469344), (128, 440010), (144, 391120), (160, 352008), (180, 312896), (192, 293340), (240, 234672), (256, 220005), (288, 195560), (320, 176004), (360, 156448), (384, 146670), (480, 117336), (576, 97780), (640, 88002), (720, 78224), (768, 73335), (960, 58668), (1152, 48890), (1280, 44001), (1440, 39112), (1920, 29334), (2304, 24445), (2880, 19556), (3840, 14667), (4889, 11520), (5760, 9778)]