128416680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 192

約数和(自身を含む): 481852800

約数和(自身を除く): 353436120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 131, 140, 168, 180, 210, 252, 262, 280, 315, 360, 389, 393, 420, 504, 524, 630, 655, 778, 786, 840, 917, 1048, 1167, 1179, 1260, 1310, 1556, 1572, 1834, 1945, 1965, 2334, 2358, 2520, 2620, 2723, 2751, 3112, 3144, 3501, 3668, 3890, 3930, 4585, 4668, 4716, 5240, 5446, 5502, 5835, 5895, 7002, 7336, 7780, 7860, 8169, 8253, 9170, 9336, 9432, 10892, 11004, 11670, 11790, 13615, 13755, 14004, 15560, 15720, 16338, 16506, 17505, 18340, 21784, 22008, 23340, 23580, 24507, 27230, 27510, 28008, 32676, 33012, 35010, 36680, 40845, 41265, 46680, 47160, 49014, 50959, 54460, 55020, 65352, 66024, 70020, 81690, 82530, 98028, 101918, 108920, 110040, 122535, 140040, 152877, 163380, 165060, 196056, 203836, 245070, 254795, 305754, 326760, 330120, 356713, 407672, 458631, 490140, 509590, 611508, 713426, 764385, 917262, 980280, 1019180, 1070139, 1223016, 1426852, 1528770, 1783565, 1834524, 2038360, 2140278, 2293155, 2853704, 3057540, 3210417, 3567130, 3669048, 4280556, 4586310, 5350695, 6115080, 6420834, 7134260, 8561112, 9172620, 10701390, 12841668, 14268520, 16052085, 18345240, 21402780, 25683336, 32104170, 42805560, 64208340, 128416680]

約数ペア:

[(1, 128416680), (2, 64208340), (3, 42805560), (4, 32104170), (5, 25683336), (6, 21402780), (7, 18345240), (8, 16052085), (9, 14268520), (10, 12841668), (12, 10701390), (14, 9172620), (15, 8561112), (18, 7134260), (20, 6420834), (21, 6115080), (24, 5350695), (28, 4586310), (30, 4280556), (35, 3669048), (36, 3567130), (40, 3210417), (42, 3057540), (45, 2853704), (56, 2293155), (60, 2140278), (63, 2038360), (70, 1834524), (72, 1783565), (84, 1528770), (90, 1426852), (105, 1223016), (120, 1070139), (126, 1019180), (131, 980280), (140, 917262), (168, 764385), (180, 713426), (210, 611508), (252, 509590), (262, 490140), (280, 458631), (315, 407672), (360, 356713), (389, 330120), (393, 326760), (420, 305754), (504, 254795), (524, 245070), (630, 203836), (655, 196056), (778, 165060), (786, 163380), (840, 152877), (917, 140040), (1048, 122535), (1167, 110040), (1179, 108920), (1260, 101918), (1310, 98028), (1556, 82530), (1572, 81690), (1834, 70020), (1945, 66024), (1965, 65352), (2334, 55020), (2358, 54460), (2520, 50959), (2620, 49014), (2723, 47160), (2751, 46680), (3112, 41265), (3144, 40845), (3501, 36680), (3668, 35010), (3890, 33012), (3930, 32676), (4585, 28008), (4668, 27510), (4716, 27230), (5240, 24507), (5446, 23580), (5502, 23340), (5835, 22008), (5895, 21784), (7002, 18340), (7336, 17505), (7780, 16506), (7860, 16338), (8169, 15720), (8253, 15560), (9170, 14004), (9336, 13755), (9432, 13615), (10892, 11790), (11004, 11670)]