7261440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 24331776

約数和(自身を除く): 17070336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 64, 80, 93, 96, 120, 122, 124, 128, 155, 160, 183, 186, 192, 240, 244, 248, 256, 305, 310, 320, 366, 372, 384, 465, 480, 488, 496, 610, 620, 640, 732, 744, 768, 915, 930, 960, 976, 992, 1220, 1240, 1280, 1464, 1488, 1830, 1860, 1891, 1920, 1952, 1984, 2440, 2480, 2928, 2976, 3660, 3720, 3782, 3840, 3904, 3968, 4880, 4960, 5673, 5856, 5952, 7320, 7440, 7564, 7808, 7936, 9455, 9760, 9920, 11346, 11712, 11904, 14640, 14880, 15128, 15616, 18910, 19520, 19840, 22692, 23424, 23808, 28365, 29280, 29760, 30256, 37820, 39040, 39680, 45384, 46848, 56730, 58560, 59520, 60512, 75640, 78080, 90768, 113460, 117120, 119040, 121024, 151280, 181536, 226920, 234240, 242048, 302560, 363072, 453840, 484096, 605120, 726144, 907680, 1210240, 1452288, 1815360, 2420480, 3630720, 7261440]

約数ペア:

[(1, 7261440), (2, 3630720), (3, 2420480), (4, 1815360), (5, 1452288), (6, 1210240), (8, 907680), (10, 726144), (12, 605120), (15, 484096), (16, 453840), (20, 363072), (24, 302560), (30, 242048), (31, 234240), (32, 226920), (40, 181536), (48, 151280), (60, 121024), (61, 119040), (62, 117120), (64, 113460), (80, 90768), (93, 78080), (96, 75640), (120, 60512), (122, 59520), (124, 58560), (128, 56730), (155, 46848), (160, 45384), (183, 39680), (186, 39040), (192, 37820), (240, 30256), (244, 29760), (248, 29280), (256, 28365), (305, 23808), (310, 23424), (320, 22692), (366, 19840), (372, 19520), (384, 18910), (465, 15616), (480, 15128), (488, 14880), (496, 14640), (610, 11904), (620, 11712), (640, 11346), (732, 9920), (744, 9760), (768, 9455), (915, 7936), (930, 7808), (960, 7564), (976, 7440), (992, 7320), (1220, 5952), (1240, 5856), (1280, 5673), (1464, 4960), (1488, 4880), (1830, 3968), (1860, 3904), (1891, 3840), (1920, 3782), (1952, 3720), (1984, 3660), (2440, 2976), (2480, 2928)]