138957840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 541632000

約数和(自身を除く): 402674160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 349, 360, 395, 420, 474, 504, 553, 560, 630, 632, 698, 711, 720, 790, 840, 948, 1008, 1047, 1106, 1185, 1260, 1264, 1396, 1422, 1580, 1659, 1680, 1745, 1896, 2094, 2212, 2370, 2443, 2520, 2765, 2792, 2844, 3141, 3160, 3318, 3490, 3555, 3792, 4188, 4424, 4740, 4886, 4977, 5040, 5235, 5530, 5584, 5688, 6282, 6320, 6636, 6980, 7110, 7329, 8295, 8376, 8848, 9480, 9772, 9954, 10470, 11060, 11376, 12215, 12564, 13272, 13960, 14220, 14658, 15705, 16590, 16752, 18960, 19544, 19908, 20940, 21987, 22120, 24430, 24885, 25128, 26544, 27571, 27920, 28440, 29316, 31410, 33180, 36645, 39088, 39816, 41880, 43974, 44240, 48860, 49770, 50256, 55142, 56880, 58632, 62820, 66360, 73290, 79632, 82713, 83760, 87948, 97720, 99540, 109935, 110284, 117264, 125640, 132720, 137855, 146580, 165426, 175896, 192997, 195440, 199080, 219870, 220568, 248139, 251280, 275710, 293160, 330852, 351792, 385994, 398160, 413565, 439740, 441136, 496278, 551420, 578991, 586320, 661704, 771988, 827130, 879480, 964985, 992556, 1102840, 1157982, 1240695, 1323408, 1543976, 1654260, 1736973, 1758960, 1929970, 1985112, 2205680, 2315964, 2481390, 2894955, 3087952, 3308520, 3473946, 3859940, 3970224, 4631928, 4962780, 5789910, 6617040, 6947892, 7719880, 8684865, 9263856, 9925560, 11579820, 13895784, 15439760, 17369730, 19851120, 23159640, 27791568, 34739460, 46319280, 69478920, 138957840]

約数ペア:

[(1, 138957840), (2, 69478920), (3, 46319280), (4, 34739460), (5, 27791568), (6, 23159640), (7, 19851120), (8, 17369730), (9, 15439760), (10, 13895784), (12, 11579820), (14, 9925560), (15, 9263856), (16, 8684865), (18, 7719880), (20, 6947892), (21, 6617040), (24, 5789910), (28, 4962780), (30, 4631928), (35, 3970224), (36, 3859940), (40, 3473946), (42, 3308520), (45, 3087952), (48, 2894955), (56, 2481390), (60, 2315964), (63, 2205680), (70, 1985112), (72, 1929970), (79, 1758960), (80, 1736973), (84, 1654260), (90, 1543976), (105, 1323408), (112, 1240695), (120, 1157982), (126, 1102840), (140, 992556), (144, 964985), (158, 879480), (168, 827130), (180, 771988), (210, 661704), (237, 586320), (240, 578991), (252, 551420), (280, 496278), (315, 441136), (316, 439740), (336, 413565), (349, 398160), (360, 385994), (395, 351792), (420, 330852), (474, 293160), (504, 275710), (553, 251280), (560, 248139), (630, 220568), (632, 219870), (698, 199080), (711, 195440), (720, 192997), (790, 175896), (840, 165426), (948, 146580), (1008, 137855), (1047, 132720), (1106, 125640), (1185, 117264), (1260, 110284), (1264, 109935), (1396, 99540), (1422, 97720), (1580, 87948), (1659, 83760), (1680, 82713), (1745, 79632), (1896, 73290), (2094, 66360), (2212, 62820), (2370, 58632), (2443, 56880), (2520, 55142), (2765, 50256), (2792, 49770), (2844, 48860), (3141, 44240), (3160, 43974), (3318, 41880), (3490, 39816), (3555, 39088), (3792, 36645), (4188, 33180), (4424, 31410), (4740, 29316), (4886, 28440), (4977, 27920), (5040, 27571), (5235, 26544), (5530, 25128), (5584, 24885), (5688, 24430), (6282, 22120), (6320, 21987), (6636, 20940), (6980, 19908), (7110, 19544), (7329, 18960), (8295, 16752), (8376, 16590), (8848, 15705), (9480, 14658), (9772, 14220), (9954, 13960), (10470, 13272), (11060, 12564), (11376, 12215)]