28818840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 91422720

約数和(自身を除く): 62603880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 127, 155, 183, 186, 244, 248, 254, 305, 310, 366, 372, 381, 465, 488, 508, 610, 620, 635, 732, 744, 762, 915, 930, 1016, 1220, 1240, 1270, 1464, 1524, 1830, 1860, 1891, 1905, 2440, 2540, 3048, 3660, 3720, 3782, 3810, 3937, 5080, 5673, 7320, 7564, 7620, 7747, 7874, 9455, 11346, 11811, 15128, 15240, 15494, 15748, 18910, 19685, 22692, 23241, 23622, 28365, 30988, 31496, 37820, 38735, 39370, 45384, 46482, 47244, 56730, 59055, 61976, 75640, 77470, 78740, 92964, 94488, 113460, 116205, 118110, 154940, 157480, 185928, 226920, 232410, 236220, 240157, 309880, 464820, 472440, 480314, 720471, 929640, 960628, 1200785, 1440942, 1921256, 2401570, 2881884, 3602355, 4803140, 5763768, 7204710, 9606280, 14409420, 28818840]

約数ペア:

[(1, 28818840), (2, 14409420), (3, 9606280), (4, 7204710), (5, 5763768), (6, 4803140), (8, 3602355), (10, 2881884), (12, 2401570), (15, 1921256), (20, 1440942), (24, 1200785), (30, 960628), (31, 929640), (40, 720471), (60, 480314), (61, 472440), (62, 464820), (93, 309880), (120, 240157), (122, 236220), (124, 232410), (127, 226920), (155, 185928), (183, 157480), (186, 154940), (244, 118110), (248, 116205), (254, 113460), (305, 94488), (310, 92964), (366, 78740), (372, 77470), (381, 75640), (465, 61976), (488, 59055), (508, 56730), (610, 47244), (620, 46482), (635, 45384), (732, 39370), (744, 38735), (762, 37820), (915, 31496), (930, 30988), (1016, 28365), (1220, 23622), (1240, 23241), (1270, 22692), (1464, 19685), (1524, 18910), (1830, 15748), (1860, 15494), (1891, 15240), (1905, 15128), (2440, 11811), (2540, 11346), (3048, 9455), (3660, 7874), (3720, 7747), (3782, 7620), (3810, 7564), (3937, 7320), (5080, 5673)]