128401560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 288

約数和(自身を含む): 504176400

約数和(自身を除く): 375774840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 49, 56, 58, 60, 63, 70, 72, 84, 87, 90, 98, 105, 116, 120, 126, 140, 145, 147, 168, 174, 180, 196, 203, 210, 232, 245, 251, 252, 261, 280, 290, 294, 315, 348, 360, 392, 406, 420, 435, 441, 490, 502, 504, 522, 580, 588, 609, 630, 696, 735, 753, 812, 840, 870, 882, 980, 1004, 1015, 1044, 1160, 1176, 1218, 1255, 1260, 1305, 1421, 1470, 1506, 1624, 1740, 1757, 1764, 1827, 1960, 2008, 2030, 2088, 2205, 2259, 2436, 2510, 2520, 2610, 2842, 2940, 3012, 3045, 3480, 3514, 3528, 3654, 3765, 4060, 4263, 4410, 4518, 4872, 5020, 5220, 5271, 5684, 5880, 6024, 6090, 7028, 7105, 7279, 7308, 7530, 8120, 8526, 8785, 8820, 9036, 9135, 10040, 10440, 10542, 11295, 11368, 12180, 12299, 12789, 14056, 14210, 14558, 14616, 15060, 15813, 17052, 17570, 17640, 18072, 18270, 21084, 21315, 21837, 22590, 24360, 24598, 25578, 26355, 28420, 29116, 30120, 31626, 34104, 35140, 36395, 36540, 36897, 42168, 42630, 43674, 45180, 49196, 50953, 51156, 52710, 56840, 58232, 61495, 63252, 63945, 65511, 70280, 72790, 73080, 73794, 79065, 85260, 87348, 90360, 98392, 101906, 102312, 105420, 109185, 110691, 122990, 126504, 127890, 131022, 145580, 147588, 152859, 158130, 170520, 174696, 184485, 203812, 210840, 218370, 221382, 245980, 254765, 255780, 262044, 291160, 295176, 305718, 316260, 327555, 356671, 368970, 407624, 436740, 442764, 458577, 491960, 509530, 511560, 524088, 553455, 611436, 632520, 655110, 713342, 737940, 764295, 873480, 885528, 917154, 1019060, 1070013, 1106910, 1222872, 1310220, 1426684, 1475880, 1528590, 1783355, 1834308, 2038120, 2140026, 2213820, 2292885, 2620440, 2853368, 3057180, 3210039, 3566710, 3668616, 4280052, 4427640, 4585770, 5350065, 6114360, 6420078, 7133420, 8560104, 9171540, 10700130, 12840156, 14266840, 16050195, 18343080, 21400260, 25680312, 32100390, 42800520, 64200780, 128401560]

約数ペア:

[(1, 128401560), (2, 64200780), (3, 42800520), (4, 32100390), (5, 25680312), (6, 21400260), (7, 18343080), (8, 16050195), (9, 14266840), (10, 12840156), (12, 10700130), (14, 9171540), (15, 8560104), (18, 7133420), (20, 6420078), (21, 6114360), (24, 5350065), (28, 4585770), (29, 4427640), (30, 4280052), (35, 3668616), (36, 3566710), (40, 3210039), (42, 3057180), (45, 2853368), (49, 2620440), (56, 2292885), (58, 2213820), (60, 2140026), (63, 2038120), (70, 1834308), (72, 1783355), (84, 1528590), (87, 1475880), (90, 1426684), (98, 1310220), (105, 1222872), (116, 1106910), (120, 1070013), (126, 1019060), (140, 917154), (145, 885528), (147, 873480), (168, 764295), (174, 737940), (180, 713342), (196, 655110), (203, 632520), (210, 611436), (232, 553455), (245, 524088), (251, 511560), (252, 509530), (261, 491960), (280, 458577), (290, 442764), (294, 436740), (315, 407624), (348, 368970), (360, 356671), (392, 327555), (406, 316260), (420, 305718), (435, 295176), (441, 291160), (490, 262044), (502, 255780), (504, 254765), (522, 245980), (580, 221382), (588, 218370), (609, 210840), (630, 203812), (696, 184485), (735, 174696), (753, 170520), (812, 158130), (840, 152859), (870, 147588), (882, 145580), (980, 131022), (1004, 127890), (1015, 126504), (1044, 122990), (1160, 110691), (1176, 109185), (1218, 105420), (1255, 102312), (1260, 101906), (1305, 98392), (1421, 90360), (1470, 87348), (1506, 85260), (1624, 79065), (1740, 73794), (1757, 73080), (1764, 72790), (1827, 70280), (1960, 65511), (2008, 63945), (2030, 63252), (2088, 61495), (2205, 58232), (2259, 56840), (2436, 52710), (2510, 51156), (2520, 50953), (2610, 49196), (2842, 45180), (2940, 43674), (3012, 42630), (3045, 42168), (3480, 36897), (3514, 36540), (3528, 36395), (3654, 35140), (3765, 34104), (4060, 31626), (4263, 30120), (4410, 29116), (4518, 28420), (4872, 26355), (5020, 25578), (5220, 24598), (5271, 24360), (5684, 22590), (5880, 21837), (6024, 21315), (6090, 21084), (7028, 18270), (7105, 18072), (7279, 17640), (7308, 17570), (7530, 17052), (8120, 15813), (8526, 15060), (8785, 14616), (8820, 14558), (9036, 14210), (9135, 14056), (10040, 12789), (10440, 12299), (10542, 12180), (11295, 11368)]