77376780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 144

約数和(自身を含む): 258978720

約数和(自身を除く): 181601940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 769, 774, 780, 860, 1118, 1170, 1290, 1538, 1548, 1677, 1935, 2236, 2307, 2340, 2580, 2795, 3076, 3354, 3845, 3870, 4614, 5031, 5590, 6708, 6921, 7690, 7740, 8385, 9228, 9997, 10062, 11180, 11535, 13842, 15380, 16770, 19994, 20124, 23070, 25155, 27684, 29991, 33067, 33540, 34605, 39988, 46140, 49985, 50310, 59982, 66134, 69210, 89973, 99201, 99970, 100620, 119964, 132268, 138420, 149955, 165335, 179946, 198402, 199940, 297603, 299910, 330670, 359892, 396804, 429871, 449865, 496005, 595206, 599820, 661340, 859742, 899730, 992010, 1190412, 1289613, 1488015, 1719484, 1799460, 1984020, 2149355, 2579226, 2976030, 3868839, 4298710, 5158452, 5952060, 6448065, 7737678, 8597420, 12896130, 15475356, 19344195, 25792260, 38688390, 77376780]

約数ペア:

[(1, 77376780), (2, 38688390), (3, 25792260), (4, 19344195), (5, 15475356), (6, 12896130), (9, 8597420), (10, 7737678), (12, 6448065), (13, 5952060), (15, 5158452), (18, 4298710), (20, 3868839), (26, 2976030), (30, 2579226), (36, 2149355), (39, 1984020), (43, 1799460), (45, 1719484), (52, 1488015), (60, 1289613), (65, 1190412), (78, 992010), (86, 899730), (90, 859742), (117, 661340), (129, 599820), (130, 595206), (156, 496005), (172, 449865), (180, 429871), (195, 396804), (215, 359892), (234, 330670), (258, 299910), (260, 297603), (387, 199940), (390, 198402), (430, 179946), (468, 165335), (516, 149955), (559, 138420), (585, 132268), (645, 119964), (769, 100620), (774, 99970), (780, 99201), (860, 89973), (1118, 69210), (1170, 66134), (1290, 59982), (1538, 50310), (1548, 49985), (1677, 46140), (1935, 39988), (2236, 34605), (2307, 33540), (2340, 33067), (2580, 29991), (2795, 27684), (3076, 25155), (3354, 23070), (3845, 20124), (3870, 19994), (4614, 16770), (5031, 15380), (5590, 13842), (6708, 11535), (6921, 11180), (7690, 10062), (7740, 9997), (8385, 9228)]