84521320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 136109720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 37, 40, 46, 52, 65, 74, 92, 104, 115, 130, 148, 184, 185, 191, 230, 260, 296, 299, 370, 382, 460, 481, 520, 598, 740, 764, 851, 920, 955, 962, 1196, 1480, 1495, 1528, 1702, 1910, 1924, 2392, 2405, 2483, 2990, 3404, 3820, 3848, 4255, 4393, 4810, 4966, 5980, 6808, 7067, 7640, 8510, 8786, 9620, 9932, 11063, 11960, 12415, 14134, 17020, 17572, 19240, 19864, 21965, 22126, 24830, 28268, 34040, 35144, 35335, 43930, 44252, 49660, 55315, 56536, 57109, 70670, 87860, 88504, 91871, 99320, 110630, 114218, 141340, 162541, 175720, 183742, 221260, 228436, 282680, 285545, 325082, 367484, 442520, 456872, 459355, 571090, 650164, 734968, 812705, 918710, 1142180, 1300328, 1625410, 1837420, 2113033, 2284360, 3250820, 3674840, 4226066, 6501640, 8452132, 10565165, 16904264, 21130330, 42260660, 84521320]

約数ペア:

[(1, 84521320), (2, 42260660), (4, 21130330), (5, 16904264), (8, 10565165), (10, 8452132), (13, 6501640), (20, 4226066), (23, 3674840), (26, 3250820), (37, 2284360), (40, 2113033), (46, 1837420), (52, 1625410), (65, 1300328), (74, 1142180), (92, 918710), (104, 812705), (115, 734968), (130, 650164), (148, 571090), (184, 459355), (185, 456872), (191, 442520), (230, 367484), (260, 325082), (296, 285545), (299, 282680), (370, 228436), (382, 221260), (460, 183742), (481, 175720), (520, 162541), (598, 141340), (740, 114218), (764, 110630), (851, 99320), (920, 91871), (955, 88504), (962, 87860), (1196, 70670), (1480, 57109), (1495, 56536), (1528, 55315), (1702, 49660), (1910, 44252), (1924, 43930), (2392, 35335), (2405, 35144), (2483, 34040), (2990, 28268), (3404, 24830), (3820, 22126), (3848, 21965), (4255, 19864), (4393, 19240), (4810, 17572), (4966, 17020), (5980, 14134), (6808, 12415), (7067, 11960), (7640, 11063), (8510, 9932), (8786, 9620)]