68757840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 248086800

約数和(自身を除く): 179328960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 37, 40, 45, 48, 58, 60, 72, 74, 80, 87, 89, 90, 111, 116, 120, 144, 145, 148, 174, 178, 180, 185, 222, 232, 240, 261, 267, 290, 296, 333, 348, 356, 360, 370, 435, 444, 445, 464, 522, 534, 555, 580, 592, 666, 696, 712, 720, 740, 801, 870, 888, 890, 1044, 1068, 1073, 1110, 1160, 1305, 1332, 1335, 1392, 1424, 1480, 1602, 1665, 1740, 1776, 1780, 2088, 2136, 2146, 2220, 2320, 2581, 2610, 2664, 2670, 2960, 3204, 3219, 3293, 3330, 3480, 3560, 4005, 4176, 4272, 4292, 4440, 5162, 5220, 5328, 5340, 5365, 6408, 6438, 6586, 6660, 6960, 7120, 7743, 8010, 8584, 8880, 9657, 9879, 10324, 10440, 10680, 10730, 12816, 12876, 12905, 13172, 13320, 15486, 16020, 16095, 16465, 17168, 19314, 19758, 20648, 20880, 21360, 21460, 23229, 25752, 25810, 26344, 26640, 29637, 30972, 32040, 32190, 32930, 38628, 38715, 39516, 41296, 42920, 46458, 48285, 49395, 51504, 51620, 52688, 59274, 61944, 64080, 64380, 65860, 77256, 77430, 79032, 85840, 92916, 95497, 96570, 98790, 103240, 116145, 118548, 123888, 128760, 131720, 148185, 154512, 154860, 158064, 185832, 190994, 193140, 197580, 206480, 232290, 237096, 257520, 263440, 286491, 296370, 309720, 371664, 381988, 386280, 395160, 464580, 474192, 477485, 572982, 592740, 619440, 763976, 772560, 790320, 859473, 929160, 954970, 1145964, 1185480, 1432455, 1527952, 1718946, 1858320, 1909940, 2291928, 2370960, 2864910, 3437892, 3819880, 4297365, 4583856, 5729820, 6875784, 7639760, 8594730, 11459640, 13751568, 17189460, 22919280, 34378920, 68757840]

約数ペア:

[(1, 68757840), (2, 34378920), (3, 22919280), (4, 17189460), (5, 13751568), (6, 11459640), (8, 8594730), (9, 7639760), (10, 6875784), (12, 5729820), (15, 4583856), (16, 4297365), (18, 3819880), (20, 3437892), (24, 2864910), (29, 2370960), (30, 2291928), (36, 1909940), (37, 1858320), (40, 1718946), (45, 1527952), (48, 1432455), (58, 1185480), (60, 1145964), (72, 954970), (74, 929160), (80, 859473), (87, 790320), (89, 772560), (90, 763976), (111, 619440), (116, 592740), (120, 572982), (144, 477485), (145, 474192), (148, 464580), (174, 395160), (178, 386280), (180, 381988), (185, 371664), (222, 309720), (232, 296370), (240, 286491), (261, 263440), (267, 257520), (290, 237096), (296, 232290), (333, 206480), (348, 197580), (356, 193140), (360, 190994), (370, 185832), (435, 158064), (444, 154860), (445, 154512), (464, 148185), (522, 131720), (534, 128760), (555, 123888), (580, 118548), (592, 116145), (666, 103240), (696, 98790), (712, 96570), (720, 95497), (740, 92916), (801, 85840), (870, 79032), (888, 77430), (890, 77256), (1044, 65860), (1068, 64380), (1073, 64080), (1110, 61944), (1160, 59274), (1305, 52688), (1332, 51620), (1335, 51504), (1392, 49395), (1424, 48285), (1480, 46458), (1602, 42920), (1665, 41296), (1740, 39516), (1776, 38715), (1780, 38628), (2088, 32930), (2136, 32190), (2146, 32040), (2220, 30972), (2320, 29637), (2581, 26640), (2610, 26344), (2664, 25810), (2670, 25752), (2960, 23229), (3204, 21460), (3219, 21360), (3293, 20880), (3330, 20648), (3480, 19758), (3560, 19314), (4005, 17168), (4176, 16465), (4272, 16095), (4292, 16020), (4440, 15486), (5162, 13320), (5220, 13172), (5328, 12905), (5340, 12876), (5365, 12816), (6408, 10730), (6438, 10680), (6586, 10440), (6660, 10324), (6960, 9879), (7120, 9657), (7743, 8880), (8010, 8584)]