128303280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{25457}}^1$

素因数の和:25483

約数の個数: 120

約数和(自身を含む): 492459552

約数和(自身を除く): 364156272

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, 25457, 50914, 76371, 101828, 127285, 152742, 178199, 203656, 229113, 254570, 305484, 356398, 381855, 407312, 458226, 509140, 534597, 610968, 712796, 763710, 890995, 916452, 1018280, 1069194, 1145565, 1221936, 1425592, 1527420, 1603791, 1781990, 1832904, 2036560, 2138388, 2291130, 2672985, 2851184, 3054840, 3207582, 3563980, 3665808, 4276776, 4582260, 5345970, 6109680, 6415164, 7127960, 8018955, 8553552, 9164520, 10691940, 12830328, 14255920, 16037910, 18329040, 21383880, 25660656, 32075820, 42767760, 64151640, 128303280]

約数ペア:

[(1, 128303280), (2, 64151640), (3, 42767760), (4, 32075820), (5, 25660656), (6, 21383880), (7, 18329040), (8, 16037910), (9, 14255920), (10, 12830328), (12, 10691940), (14, 9164520), (15, 8553552), (16, 8018955), (18, 7127960), (20, 6415164), (21, 6109680), (24, 5345970), (28, 4582260), (30, 4276776), (35, 3665808), (36, 3563980), (40, 3207582), (42, 3054840), (45, 2851184), (48, 2672985), (56, 2291130), (60, 2138388), (63, 2036560), (70, 1832904), (72, 1781990), (80, 1603791), (84, 1527420), (90, 1425592), (105, 1221936), (112, 1145565), (120, 1069194), (126, 1018280), (140, 916452), (144, 890995), (168, 763710), (180, 712796), (210, 610968), (240, 534597), (252, 509140), (280, 458226), (315, 407312), (336, 381855), (360, 356398), (420, 305484), (504, 254570), (560, 229113), (630, 203656), (720, 178199), (840, 152742), (1008, 127285), (1260, 101828), (1680, 76371), (2520, 50914), (5040, 25457)]