28004338260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1\times {\mathrm{3821}}^1$

素因数の和:5998

約数の個数: 144

約数和(自身を含む): 89482498560

約数和(自身を除く): 61478160300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2143, 3420, 3821, 4286, 6429, 7642, 8572, 10715, 11463, 12858, 15284, 19105, 19287, 21430, 22926, 25716, 32145, 34389, 38210, 38574, 40717, 42860, 45852, 57315, 64290, 68778, 72599, 76420, 77148, 81434, 96435, 114630, 122151, 128580, 137556, 145198, 162868, 171945, 192870, 203585, 217797, 229260, 244302, 290396, 343890, 362995, 366453, 385740, 407170, 435594, 488604, 610755, 653391, 687780, 725990, 732906, 814340, 871188, 1088985, 1221510, 1306782, 1451980, 1465812, 1832265, 2177970, 2443020, 2613564, 3266955, 3664530, 4355940, 6533910, 7329060, 8188403, 13067820, 16376806, 24565209, 32753612, 40942015, 49130418, 73695627, 81884030, 98260836, 122826045, 147391254, 155579657, 163768060, 245652090, 294782508, 311159314, 368478135, 466738971, 491304180, 622318628, 736956270, 777898285, 933477942, 1400216913, 1473912540, 1555796570, 1866955884, 2333694855, 2800433826, 3111593140, 4667389710, 5600867652, 7001084565, 9334779420, 14002169130, 28004338260]

約数ペア:

[(1, 28004338260), (2, 14002169130), (3, 9334779420), (4, 7001084565), (5, 5600867652), (6, 4667389710), (9, 3111593140), (10, 2800433826), (12, 2333694855), (15, 1866955884), (18, 1555796570), (19, 1473912540), (20, 1400216913), (30, 933477942), (36, 777898285), (38, 736956270), (45, 622318628), (57, 491304180), (60, 466738971), (76, 368478135), (90, 311159314), (95, 294782508), (114, 245652090), (171, 163768060), (180, 155579657), (190, 147391254), (228, 122826045), (285, 98260836), (342, 81884030), (380, 73695627), (570, 49130418), (684, 40942015), (855, 32753612), (1140, 24565209), (1710, 16376806), (2143, 13067820), (3420, 8188403), (3821, 7329060), (4286, 6533910), (6429, 4355940), (7642, 3664530), (8572, 3266955), (10715, 2613564), (11463, 2443020), (12858, 2177970), (15284, 1832265), (19105, 1465812), (19287, 1451980), (21430, 1306782), (22926, 1221510), (25716, 1088985), (32145, 871188), (34389, 814340), (38210, 732906), (38574, 725990), (40717, 687780), (42860, 653391), (45852, 610755), (57315, 488604), (64290, 435594), (68778, 407170), (72599, 385740), (76420, 366453), (77148, 362995), (81434, 343890), (96435, 290396), (114630, 244302), (122151, 229260), (128580, 217797), (137556, 203585), (145198, 192870), (162868, 171945)]