1778516520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{18457}}^1$

素因数の和:18555

約数の個数: 128

約数和(自身を含む): 5900653440

約数和(自身を除く): 4122136920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 219, 220, 264, 292, 330, 365, 438, 440, 584, 660, 730, 803, 876, 1095, 1320, 1460, 1606, 1752, 2190, 2409, 2920, 3212, 4015, 4380, 4818, 6424, 8030, 8760, 9636, 12045, 16060, 18457, 19272, 24090, 32120, 36914, 48180, 55371, 73828, 92285, 96360, 110742, 147656, 184570, 203027, 221484, 276855, 369140, 406054, 442968, 553710, 609081, 738280, 812108, 1015135, 1107420, 1218162, 1347361, 1624216, 2030270, 2214840, 2436324, 2694722, 3045405, 4042083, 4060540, 4872648, 5389444, 6090810, 6736805, 8084166, 8121080, 10778888, 12181620, 13473610, 14820971, 16168332, 20210415, 24363240, 26947220, 29641942, 32336664, 40420830, 44462913, 53894440, 59283884, 74104855, 80841660, 88925826, 118567768, 148209710, 161683320, 177851652, 222314565, 296419420, 355703304, 444629130, 592838840, 889258260, 1778516520]

約数ペア:

[(1, 1778516520), (2, 889258260), (3, 592838840), (4, 444629130), (5, 355703304), (6, 296419420), (8, 222314565), (10, 177851652), (11, 161683320), (12, 148209710), (15, 118567768), (20, 88925826), (22, 80841660), (24, 74104855), (30, 59283884), (33, 53894440), (40, 44462913), (44, 40420830), (55, 32336664), (60, 29641942), (66, 26947220), (73, 24363240), (88, 20210415), (110, 16168332), (120, 14820971), (132, 13473610), (146, 12181620), (165, 10778888), (219, 8121080), (220, 8084166), (264, 6736805), (292, 6090810), (330, 5389444), (365, 4872648), (438, 4060540), (440, 4042083), (584, 3045405), (660, 2694722), (730, 2436324), (803, 2214840), (876, 2030270), (1095, 1624216), (1320, 1347361), (1460, 1218162), (1606, 1107420), (1752, 1015135), (2190, 812108), (2409, 738280), (2920, 609081), (3212, 553710), (4015, 442968), (4380, 406054), (4818, 369140), (6424, 276855), (8030, 221484), (8760, 203027), (9636, 184570), (12045, 147656), (16060, 110742), (18457, 96360), (19272, 92285), (24090, 73828), (32120, 55371), (36914, 48180)]