128906640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 240

約数和(自身を含む): 473928000

約数和(自身を除く): 345021360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 349, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 698, 720, 760, 810, 855, 912, 972, 1026, 1047, 1080, 1140, 1215, 1296, 1368, 1396, 1520, 1539, 1620, 1710, 1745, 1944, 2052, 2094, 2160, 2280, 2430, 2565, 2736, 2792, 3078, 3141, 3240, 3420, 3490, 3888, 4104, 4188, 4560, 4617, 4860, 5130, 5235, 5584, 6156, 6282, 6480, 6631, 6840, 6980, 7695, 8208, 8376, 9234, 9423, 9720, 10260, 10470, 12312, 12564, 13262, 13680, 13960, 15390, 15705, 16752, 18468, 18846, 19440, 19893, 20520, 20940, 23085, 24624, 25128, 26524, 27920, 28269, 30780, 31410, 33155, 36936, 37692, 39786, 41040, 41880, 46170, 47115, 50256, 53048, 56538, 59679, 61560, 62820, 66310, 73872, 75384, 79572, 83760, 84807, 92340, 94230, 99465, 106096, 113076, 119358, 123120, 125640, 132620, 141345, 150768, 159144, 169614, 179037, 184680, 188460, 198930, 226152, 238716, 251280, 265240, 282690, 298395, 318288, 339228, 358074, 369360, 376920, 397860, 424035, 452304, 477432, 530480, 537111, 565380, 596790, 678456, 716148, 753840, 795720, 848070, 895185, 954864, 1074222, 1130760, 1193580, 1356912, 1432296, 1591440, 1611333, 1696140, 1790370, 2148444, 2261520, 2387160, 2685555, 2864592, 3222666, 3392280, 3580740, 4296888, 4774320, 5371110, 6445332, 6784560, 7161480, 8056665, 8593776, 10742220, 12890664, 14322960, 16113330, 21484440, 25781328, 32226660, 42968880, 64453320, 128906640]

約数ペア:

[(1, 128906640), (2, 64453320), (3, 42968880), (4, 32226660), (5, 25781328), (6, 21484440), (8, 16113330), (9, 14322960), (10, 12890664), (12, 10742220), (15, 8593776), (16, 8056665), (18, 7161480), (19, 6784560), (20, 6445332), (24, 5371110), (27, 4774320), (30, 4296888), (36, 3580740), (38, 3392280), (40, 3222666), (45, 2864592), (48, 2685555), (54, 2387160), (57, 2261520), (60, 2148444), (72, 1790370), (76, 1696140), (80, 1611333), (81, 1591440), (90, 1432296), (95, 1356912), (108, 1193580), (114, 1130760), (120, 1074222), (135, 954864), (144, 895185), (152, 848070), (162, 795720), (171, 753840), (180, 716148), (190, 678456), (216, 596790), (228, 565380), (240, 537111), (243, 530480), (270, 477432), (285, 452304), (304, 424035), (324, 397860), (342, 376920), (349, 369360), (360, 358074), (380, 339228), (405, 318288), (432, 298395), (456, 282690), (486, 265240), (513, 251280), (540, 238716), (570, 226152), (648, 198930), (684, 188460), (698, 184680), (720, 179037), (760, 169614), (810, 159144), (855, 150768), (912, 141345), (972, 132620), (1026, 125640), (1047, 123120), (1080, 119358), (1140, 113076), (1215, 106096), (1296, 99465), (1368, 94230), (1396, 92340), (1520, 84807), (1539, 83760), (1620, 79572), (1710, 75384), (1745, 73872), (1944, 66310), (2052, 62820), (2094, 61560), (2160, 59679), (2280, 56538), (2430, 53048), (2565, 50256), (2736, 47115), (2792, 46170), (3078, 41880), (3141, 41040), (3240, 39786), (3420, 37692), (3490, 36936), (3888, 33155), (4104, 31410), (4188, 30780), (4560, 28269), (4617, 27920), (4860, 26524), (5130, 25128), (5235, 24624), (5584, 23085), (6156, 20940), (6282, 20520), (6480, 19893), (6631, 19440), (6840, 18846), (6980, 18468), (7695, 16752), (8208, 15705), (8376, 15390), (9234, 13960), (9423, 13680), (9720, 13262), (10260, 12564), (10470, 12312)]