68609520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13613}}^1$

素因数の和:13639

約数の個数: 120

約数和(自身を含む): 263349216

約数和(自身を除く): 194739696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13613, 27226, 40839, 54452, 68065, 81678, 95291, 108904, 122517, 136130, 163356, 190582, 204195, 217808, 245034, 272260, 285873, 326712, 381164, 408390, 476455, 490068, 544520, 571746, 612585, 653424, 762328, 816780, 857619, 952910, 980136, 1089040, 1143492, 1225170, 1429365, 1524656, 1633560, 1715238, 1905820, 1960272, 2286984, 2450340, 2858730, 3267120, 3430476, 3811640, 4288095, 4573968, 4900680, 5717460, 6860952, 7623280, 8576190, 9801360, 11434920, 13721904, 17152380, 22869840, 34304760, 68609520]

約数ペア:

[(1, 68609520), (2, 34304760), (3, 22869840), (4, 17152380), (5, 13721904), (6, 11434920), (7, 9801360), (8, 8576190), (9, 7623280), (10, 6860952), (12, 5717460), (14, 4900680), (15, 4573968), (16, 4288095), (18, 3811640), (20, 3430476), (21, 3267120), (24, 2858730), (28, 2450340), (30, 2286984), (35, 1960272), (36, 1905820), (40, 1715238), (42, 1633560), (45, 1524656), (48, 1429365), (56, 1225170), (60, 1143492), (63, 1089040), (70, 980136), (72, 952910), (80, 857619), (84, 816780), (90, 762328), (105, 653424), (112, 612585), (120, 571746), (126, 544520), (140, 490068), (144, 476455), (168, 408390), (180, 381164), (210, 326712), (240, 285873), (252, 272260), (280, 245034), (315, 217808), (336, 204195), (360, 190582), (420, 163356), (504, 136130), (560, 122517), (630, 108904), (720, 95291), (840, 81678), (1008, 68065), (1260, 54452), (1680, 40839), (2520, 27226), (5040, 13613)]