128031840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 470564640

約数和(自身を除く): 342532800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 89, 90, 96, 108, 111, 120, 135, 144, 148, 160, 162, 178, 180, 185, 216, 222, 240, 243, 267, 270, 288, 296, 324, 333, 356, 360, 370, 405, 432, 444, 445, 480, 486, 534, 540, 555, 592, 648, 666, 712, 720, 740, 801, 810, 864, 888, 890, 972, 999, 1068, 1080, 1110, 1184, 1215, 1296, 1332, 1335, 1424, 1440, 1480, 1602, 1620, 1665, 1776, 1780, 1944, 1998, 2136, 2160, 2220, 2403, 2430, 2592, 2664, 2670, 2848, 2960, 2997, 3204, 3240, 3293, 3330, 3552, 3560, 3888, 3996, 4005, 4272, 4320, 4440, 4806, 4860, 4995, 5328, 5340, 5920, 5994, 6408, 6480, 6586, 6660, 7120, 7209, 7776, 7992, 8010, 8544, 8880, 8991, 9612, 9720, 9879, 9990, 10656, 10680, 11988, 12015, 12816, 12960, 13172, 13320, 14240, 14418, 14985, 15984, 16020, 16465, 17760, 17982, 19224, 19440, 19758, 19980, 21360, 21627, 23976, 24030, 25632, 26344, 26640, 28836, 29637, 29970, 31968, 32040, 32930, 35964, 36045, 38448, 38880, 39516, 39960, 42720, 43254, 44955, 47952, 48060, 49395, 52688, 53280, 57672, 59274, 59940, 64080, 65860, 71928, 72090, 76896, 79032, 79920, 86508, 88911, 89910, 95904, 96120, 98790, 105376, 108135, 115344, 118548, 119880, 128160, 131720, 143856, 144180, 148185, 158064, 159840, 173016, 177822, 179820, 192240, 197580, 216270, 230688, 237096, 239760, 263440, 266733, 287712, 288360, 296370, 316128, 346032, 355644, 359640, 384480, 395160, 432540, 444555, 474192, 479520, 526880, 533466, 576720, 592740, 692064, 711288, 719280, 790320, 800199, 865080, 889110, 948384, 1066932, 1153440, 1185480, 1333665, 1422576, 1438560, 1580640, 1600398, 1730160, 1778220, 2133864, 2370960, 2667330, 2845152, 3200796, 3460320, 3556440, 4000995, 4267728, 4741920, 5334660, 6401592, 7112880, 8001990, 8535456, 10669320, 12803184, 14225760, 16003980, 21338640, 25606368, 32007960, 42677280, 64015920, 128031840]

約数ペア:

[(1, 128031840), (2, 64015920), (3, 42677280), (4, 32007960), (5, 25606368), (6, 21338640), (8, 16003980), (9, 14225760), (10, 12803184), (12, 10669320), (15, 8535456), (16, 8001990), (18, 7112880), (20, 6401592), (24, 5334660), (27, 4741920), (30, 4267728), (32, 4000995), (36, 3556440), (37, 3460320), (40, 3200796), (45, 2845152), (48, 2667330), (54, 2370960), (60, 2133864), (72, 1778220), (74, 1730160), (80, 1600398), (81, 1580640), (89, 1438560), (90, 1422576), (96, 1333665), (108, 1185480), (111, 1153440), (120, 1066932), (135, 948384), (144, 889110), (148, 865080), (160, 800199), (162, 790320), (178, 719280), (180, 711288), (185, 692064), (216, 592740), (222, 576720), (240, 533466), (243, 526880), (267, 479520), (270, 474192), (288, 444555), (296, 432540), (324, 395160), (333, 384480), (356, 359640), (360, 355644), (370, 346032), (405, 316128), (432, 296370), (444, 288360), (445, 287712), (480, 266733), (486, 263440), (534, 239760), (540, 237096), (555, 230688), (592, 216270), (648, 197580), (666, 192240), (712, 179820), (720, 177822), (740, 173016), (801, 159840), (810, 158064), (864, 148185), (888, 144180), (890, 143856), (972, 131720), (999, 128160), (1068, 119880), (1080, 118548), (1110, 115344), (1184, 108135), (1215, 105376), (1296, 98790), (1332, 96120), (1335, 95904), (1424, 89910), (1440, 88911), (1480, 86508), (1602, 79920), (1620, 79032), (1665, 76896), (1776, 72090), (1780, 71928), (1944, 65860), (1998, 64080), (2136, 59940), (2160, 59274), (2220, 57672), (2403, 53280), (2430, 52688), (2592, 49395), (2664, 48060), (2670, 47952), (2848, 44955), (2960, 43254), (2997, 42720), (3204, 39960), (3240, 39516), (3293, 38880), (3330, 38448), (3552, 36045), (3560, 35964), (3888, 32930), (3996, 32040), (4005, 31968), (4272, 29970), (4320, 29637), (4440, 28836), (4806, 26640), (4860, 26344), (4995, 25632), (5328, 24030), (5340, 23976), (5920, 21627), (5994, 21360), (6408, 19980), (6480, 19758), (6586, 19440), (6660, 19224), (7120, 17982), (7209, 17760), (7776, 16465), (7992, 16020), (8010, 15984), (8544, 14985), (8880, 14418), (8991, 14240), (9612, 13320), (9720, 13172), (9879, 12960), (9990, 12816), (10656, 12015), (10680, 11988)]