128915280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4626

約数の個数: 160

約数和(自身を含む): 478302720

約数和(自身を除く): 349387440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4591, 4680, 5616, 7020, 9182, 9360, 13773, 14040, 18364, 22955, 27546, 28080, 36728, 41319, 45910, 55092, 59683, 68865, 73456, 82638, 91820, 110184, 119366, 123957, 137730, 165276, 179049, 183640, 206595, 220368, 238732, 247914, 275460, 298415, 330552, 358098, 367280, 413190, 477464, 495828, 537147, 550920, 596830, 619785, 661104, 716196, 826380, 895245, 954928, 991656, 1074294, 1101840, 1193660, 1239570, 1432392, 1611441, 1652760, 1790490, 1983312, 2148588, 2387320, 2479140, 2685735, 2864784, 3222882, 3305520, 3580980, 4297176, 4774640, 4958280, 5371470, 6445764, 7161960, 8057205, 8594352, 9916560, 10742940, 12891528, 14323920, 16114410, 21485880, 25783056, 32228820, 42971760, 64457640, 128915280]

約数ペア:

[(1, 128915280), (2, 64457640), (3, 42971760), (4, 32228820), (5, 25783056), (6, 21485880), (8, 16114410), (9, 14323920), (10, 12891528), (12, 10742940), (13, 9916560), (15, 8594352), (16, 8057205), (18, 7161960), (20, 6445764), (24, 5371470), (26, 4958280), (27, 4774640), (30, 4297176), (36, 3580980), (39, 3305520), (40, 3222882), (45, 2864784), (48, 2685735), (52, 2479140), (54, 2387320), (60, 2148588), (65, 1983312), (72, 1790490), (78, 1652760), (80, 1611441), (90, 1432392), (104, 1239570), (108, 1193660), (117, 1101840), (120, 1074294), (130, 991656), (135, 954928), (144, 895245), (156, 826380), (180, 716196), (195, 661104), (208, 619785), (216, 596830), (234, 550920), (240, 537147), (260, 495828), (270, 477464), (312, 413190), (351, 367280), (360, 358098), (390, 330552), (432, 298415), (468, 275460), (520, 247914), (540, 238732), (585, 220368), (624, 206595), (702, 183640), (720, 179049), (780, 165276), (936, 137730), (1040, 123957), (1080, 119366), (1170, 110184), (1404, 91820), (1560, 82638), (1755, 73456), (1872, 68865), (2160, 59683), (2340, 55092), (2808, 45910), (3120, 41319), (3510, 36728), (4591, 28080), (4680, 27546), (5616, 22955), (7020, 18364), (9182, 14040), (9360, 13773)]