12280840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 34473600

約数和(自身を除く): 22192760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 113, 130, 143, 152, 190, 209, 220, 226, 247, 260, 286, 380, 418, 440, 452, 494, 520, 565, 572, 715, 760, 836, 904, 988, 1045, 1130, 1144, 1235, 1243, 1430, 1469, 1672, 1976, 2090, 2147, 2260, 2470, 2486, 2717, 2860, 2938, 4180, 4294, 4520, 4940, 4972, 5434, 5720, 5876, 6215, 7345, 8360, 8588, 9880, 9944, 10735, 10868, 11752, 12430, 13585, 14690, 16159, 17176, 21470, 21736, 23617, 24860, 27170, 27911, 29380, 32318, 42940, 47234, 49720, 54340, 55822, 58760, 64636, 80795, 85880, 94468, 108680, 111644, 118085, 129272, 139555, 161590, 188936, 223288, 236170, 279110, 307021, 323180, 472340, 558220, 614042, 646360, 944680, 1116440, 1228084, 1535105, 2456168, 3070210, 6140420, 12280840]

約数ペア:

[(1, 12280840), (2, 6140420), (4, 3070210), (5, 2456168), (8, 1535105), (10, 1228084), (11, 1116440), (13, 944680), (19, 646360), (20, 614042), (22, 558220), (26, 472340), (38, 323180), (40, 307021), (44, 279110), (52, 236170), (55, 223288), (65, 188936), (76, 161590), (88, 139555), (95, 129272), (104, 118085), (110, 111644), (113, 108680), (130, 94468), (143, 85880), (152, 80795), (190, 64636), (209, 58760), (220, 55822), (226, 54340), (247, 49720), (260, 47234), (286, 42940), (380, 32318), (418, 29380), (440, 27911), (452, 27170), (494, 24860), (520, 23617), (565, 21736), (572, 21470), (715, 17176), (760, 16159), (836, 14690), (904, 13585), (988, 12430), (1045, 11752), (1130, 10868), (1144, 10735), (1235, 9944), (1243, 9880), (1430, 8588), (1469, 8360), (1672, 7345), (1976, 6215), (2090, 5876), (2147, 5720), (2260, 5434), (2470, 4972), (2486, 4940), (2717, 4520), (2860, 4294), (2938, 4180)]