84076520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 221616000

約数和(自身を除く): 137539480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 89, 95, 110, 113, 152, 178, 190, 209, 220, 226, 356, 380, 418, 440, 445, 452, 565, 712, 760, 836, 890, 904, 979, 1045, 1130, 1243, 1672, 1691, 1780, 1958, 2090, 2147, 2260, 2486, 3382, 3560, 3916, 4180, 4294, 4520, 4895, 4972, 6215, 6764, 7832, 8360, 8455, 8588, 9790, 9944, 10057, 10735, 12430, 13528, 16910, 17176, 18601, 19580, 20114, 21470, 23617, 24860, 33820, 37202, 39160, 40228, 42940, 47234, 49720, 50285, 67640, 74404, 80456, 85880, 93005, 94468, 100570, 110627, 118085, 148808, 186010, 188936, 191083, 201140, 221254, 236170, 372020, 382166, 402280, 442508, 472340, 553135, 744040, 764332, 885016, 944680, 955415, 1106270, 1528664, 1910830, 2101913, 2212540, 3821660, 4203826, 4425080, 7643320, 8407652, 10509565, 16815304, 21019130, 42038260, 84076520]

約数ペア:

[(1, 84076520), (2, 42038260), (4, 21019130), (5, 16815304), (8, 10509565), (10, 8407652), (11, 7643320), (19, 4425080), (20, 4203826), (22, 3821660), (38, 2212540), (40, 2101913), (44, 1910830), (55, 1528664), (76, 1106270), (88, 955415), (89, 944680), (95, 885016), (110, 764332), (113, 744040), (152, 553135), (178, 472340), (190, 442508), (209, 402280), (220, 382166), (226, 372020), (356, 236170), (380, 221254), (418, 201140), (440, 191083), (445, 188936), (452, 186010), (565, 148808), (712, 118085), (760, 110627), (836, 100570), (890, 94468), (904, 93005), (979, 85880), (1045, 80456), (1130, 74404), (1243, 67640), (1672, 50285), (1691, 49720), (1780, 47234), (1958, 42940), (2090, 40228), (2147, 39160), (2260, 37202), (2486, 33820), (3382, 24860), (3560, 23617), (3916, 21470), (4180, 20114), (4294, 19580), (4520, 18601), (4895, 17176), (4972, 16910), (6215, 13528), (6764, 12430), (7832, 10735), (8360, 10057), (8455, 9944), (8588, 9790)]