2078687560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 5038848000

約数和(自身を除く): 2960160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 89, 92, 106, 115, 178, 184, 212, 230, 265, 356, 424, 445, 460, 479, 530, 712, 890, 920, 958, 1060, 1219, 1780, 1916, 2047, 2120, 2395, 2438, 3560, 3832, 4094, 4717, 4790, 4876, 6095, 8188, 9434, 9580, 9752, 10235, 11017, 12190, 16376, 18868, 19160, 20470, 22034, 23585, 24380, 25387, 37736, 40940, 42631, 44068, 47170, 48760, 50774, 55085, 81880, 85262, 88136, 94340, 101548, 108491, 110170, 126935, 170524, 188680, 203096, 213155, 216982, 220340, 253870, 341048, 426310, 433964, 440680, 507740, 542455, 583901, 852620, 867928, 980513, 1015480, 1084910, 1167802, 1705240, 1961026, 2169820, 2259443, 2335604, 2919505, 3922052, 4339640, 4518886, 4671208, 4902565, 5839010, 7844104, 9037772, 9805130, 11297215, 11678020, 18075544, 19610260, 22594430, 23356040, 39220520, 45188860, 51967189, 90377720, 103934378, 207868756, 259835945, 415737512, 519671890, 1039343780, 2078687560]

約数ペア:

[(1, 2078687560), (2, 1039343780), (4, 519671890), (5, 415737512), (8, 259835945), (10, 207868756), (20, 103934378), (23, 90377720), (40, 51967189), (46, 45188860), (53, 39220520), (89, 23356040), (92, 22594430), (106, 19610260), (115, 18075544), (178, 11678020), (184, 11297215), (212, 9805130), (230, 9037772), (265, 7844104), (356, 5839010), (424, 4902565), (445, 4671208), (460, 4518886), (479, 4339640), (530, 3922052), (712, 2919505), (890, 2335604), (920, 2259443), (958, 2169820), (1060, 1961026), (1219, 1705240), (1780, 1167802), (1916, 1084910), (2047, 1015480), (2120, 980513), (2395, 867928), (2438, 852620), (3560, 583901), (3832, 542455), (4094, 507740), (4717, 440680), (4790, 433964), (4876, 426310), (6095, 341048), (8188, 253870), (9434, 220340), (9580, 216982), (9752, 213155), (10235, 203096), (11017, 188680), (12190, 170524), (16376, 126935), (18868, 110170), (19160, 108491), (20470, 101548), (22034, 94340), (23585, 88136), (24380, 85262), (25387, 81880), (37736, 55085), (40940, 50774), (42631, 48760), (44068, 47170)]