305596720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26713}}^1$

素因数の和:26750

約数の個数: 80

約数和(自身を含む): 834759072

約数和(自身を除く): 529162352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 26713, 53426, 106852, 133565, 213704, 267130, 293843, 347269, 427408, 534260, 587686, 694538, 1068520, 1175372, 1389076, 1469215, 1736345, 2137040, 2350744, 2778152, 2938430, 3472690, 3819959, 4701488, 5556304, 5876860, 6945380, 7639918, 11753720, 13890760, 15279836, 19099795, 23507440, 27781520, 30559672, 38199590, 61119344, 76399180, 152798360, 305596720]

約数ペア:

[(1, 305596720), (2, 152798360), (4, 76399180), (5, 61119344), (8, 38199590), (10, 30559672), (11, 27781520), (13, 23507440), (16, 19099795), (20, 15279836), (22, 13890760), (26, 11753720), (40, 7639918), (44, 6945380), (52, 5876860), (55, 5556304), (65, 4701488), (80, 3819959), (88, 3472690), (104, 2938430), (110, 2778152), (130, 2350744), (143, 2137040), (176, 1736345), (208, 1469215), (220, 1389076), (260, 1175372), (286, 1068520), (440, 694538), (520, 587686), (572, 534260), (715, 427408), (880, 347269), (1040, 293843), (1144, 267130), (1430, 213704), (2288, 133565), (2860, 106852), (5720, 53426), (11440, 26713)]