128307840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3931}}^1$

素因数の和:3970

約数の個数: 128

約数和(自身を含む): 433149120

約数和(自身を除く): 304841280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3931, 4080, 5440, 6528, 7862, 8160, 10880, 11793, 15724, 16320, 19655, 23586, 31448, 32640, 39310, 47172, 58965, 62896, 66827, 78620, 94344, 117930, 125792, 133654, 157240, 188688, 200481, 235860, 251584, 267308, 314480, 334135, 377376, 400962, 471720, 503168, 534616, 628960, 668270, 754752, 801924, 943440, 1002405, 1069232, 1257920, 1336540, 1509504, 1603848, 1886880, 2004810, 2138464, 2515840, 2673080, 3207696, 3773760, 4009620, 4276928, 5346160, 6415392, 7547520, 8019240, 8553856, 10692320, 12830784, 16038480, 21384640, 25661568, 32076960, 42769280, 64153920, 128307840]

約数ペア:

[(1, 128307840), (2, 64153920), (3, 42769280), (4, 32076960), (5, 25661568), (6, 21384640), (8, 16038480), (10, 12830784), (12, 10692320), (15, 8553856), (16, 8019240), (17, 7547520), (20, 6415392), (24, 5346160), (30, 4276928), (32, 4009620), (34, 3773760), (40, 3207696), (48, 2673080), (51, 2515840), (60, 2138464), (64, 2004810), (68, 1886880), (80, 1603848), (85, 1509504), (96, 1336540), (102, 1257920), (120, 1069232), (128, 1002405), (136, 943440), (160, 801924), (170, 754752), (192, 668270), (204, 628960), (240, 534616), (255, 503168), (272, 471720), (320, 400962), (340, 377376), (384, 334135), (408, 314480), (480, 267308), (510, 251584), (544, 235860), (640, 200481), (680, 188688), (816, 157240), (960, 133654), (1020, 125792), (1088, 117930), (1360, 94344), (1632, 78620), (1920, 66827), (2040, 62896), (2176, 58965), (2720, 47172), (3264, 39310), (3931, 32640), (4080, 31448), (5440, 23586), (6528, 19655), (7862, 16320), (8160, 15724), (10880, 11793)]