668568780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337661}}^1$

素因数の和:337687

約数の個数: 72

約数和(自身を含む): 2212361424

約数和(自身を除く): 1543792644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 337661, 675322, 1012983, 1350644, 1688305, 2025966, 3038949, 3376610, 3714271, 4051932, 5064915, 6077898, 6753220, 7428542, 10129830, 11142813, 12155796, 14857084, 15194745, 18571355, 20259660, 22285626, 30389490, 33428439, 37142710, 44571252, 55714065, 60778980, 66856878, 74285420, 111428130, 133713756, 167142195, 222856260, 334284390, 668568780]

約数ペア:

[(1, 668568780), (2, 334284390), (3, 222856260), (4, 167142195), (5, 133713756), (6, 111428130), (9, 74285420), (10, 66856878), (11, 60778980), (12, 55714065), (15, 44571252), (18, 37142710), (20, 33428439), (22, 30389490), (30, 22285626), (33, 20259660), (36, 18571355), (44, 15194745), (45, 14857084), (55, 12155796), (60, 11142813), (66, 10129830), (90, 7428542), (99, 6753220), (110, 6077898), (132, 5064915), (165, 4051932), (180, 3714271), (198, 3376610), (220, 3038949), (330, 2025966), (396, 1688305), (495, 1350644), (660, 1012983), (990, 675322), (1980, 337661)]