79221660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 270950400

約数和(自身を除く): 191728740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 59, 60, 69, 70, 84, 92, 105, 115, 118, 138, 139, 140, 161, 177, 210, 230, 236, 276, 278, 295, 322, 345, 354, 413, 417, 420, 460, 483, 556, 590, 644, 690, 695, 708, 805, 826, 834, 885, 966, 973, 1180, 1239, 1357, 1380, 1390, 1610, 1652, 1668, 1770, 1932, 1946, 2065, 2085, 2415, 2478, 2714, 2780, 2919, 3197, 3220, 3540, 3892, 4071, 4130, 4170, 4830, 4865, 4956, 5428, 5838, 6195, 6394, 6785, 8142, 8201, 8260, 8340, 9499, 9591, 9660, 9730, 11676, 12390, 12788, 13570, 14595, 15985, 16284, 16402, 18998, 19182, 19460, 20355, 22379, 24603, 24780, 27140, 28497, 29190, 31970, 32804, 37996, 38364, 40710, 41005, 44758, 47495, 47955, 49206, 56994, 57407, 58380, 63940, 67137, 81420, 82010, 89516, 94990, 95910, 98412, 111895, 113988, 114814, 123015, 134274, 142485, 164020, 172221, 188623, 189980, 191820, 223790, 229628, 246030, 268548, 284970, 287035, 335685, 344442, 377246, 447580, 492060, 565869, 569940, 574070, 671370, 688884, 754492, 861105, 943115, 1131738, 1148140, 1320361, 1342740, 1722210, 1886230, 2263476, 2640722, 2829345, 3444420, 3772460, 3961083, 5281444, 5658690, 6601805, 7922166, 11317380, 13203610, 15844332, 19805415, 26407220, 39610830, 79221660]

約数ペア:

[(1, 79221660), (2, 39610830), (3, 26407220), (4, 19805415), (5, 15844332), (6, 13203610), (7, 11317380), (10, 7922166), (12, 6601805), (14, 5658690), (15, 5281444), (20, 3961083), (21, 3772460), (23, 3444420), (28, 2829345), (30, 2640722), (35, 2263476), (42, 1886230), (46, 1722210), (59, 1342740), (60, 1320361), (69, 1148140), (70, 1131738), (84, 943115), (92, 861105), (105, 754492), (115, 688884), (118, 671370), (138, 574070), (139, 569940), (140, 565869), (161, 492060), (177, 447580), (210, 377246), (230, 344442), (236, 335685), (276, 287035), (278, 284970), (295, 268548), (322, 246030), (345, 229628), (354, 223790), (413, 191820), (417, 189980), (420, 188623), (460, 172221), (483, 164020), (556, 142485), (590, 134274), (644, 123015), (690, 114814), (695, 113988), (708, 111895), (805, 98412), (826, 95910), (834, 94990), (885, 89516), (966, 82010), (973, 81420), (1180, 67137), (1239, 63940), (1357, 58380), (1380, 57407), (1390, 56994), (1610, 49206), (1652, 47955), (1668, 47495), (1770, 44758), (1932, 41005), (1946, 40710), (2065, 38364), (2085, 37996), (2415, 32804), (2478, 31970), (2714, 29190), (2780, 28497), (2919, 27140), (3197, 24780), (3220, 24603), (3540, 22379), (3892, 20355), (4071, 19460), (4130, 19182), (4170, 18998), (4830, 16402), (4865, 16284), (4956, 15985), (5428, 14595), (5838, 13570), (6195, 12788), (6394, 12390), (6785, 11676), (8142, 9730), (8201, 9660), (8260, 9591), (8340, 9499)]