81935640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 280051200

約数和(自身を除く): 198115560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 67, 72, 79, 86, 90, 120, 129, 134, 158, 172, 180, 201, 215, 237, 258, 268, 316, 335, 344, 360, 387, 395, 402, 430, 474, 516, 536, 603, 632, 645, 670, 711, 774, 790, 804, 860, 948, 1005, 1032, 1185, 1206, 1290, 1340, 1422, 1548, 1580, 1608, 1720, 1896, 1935, 2010, 2370, 2412, 2580, 2680, 2844, 2881, 3015, 3096, 3160, 3397, 3555, 3870, 4020, 4740, 4824, 5160, 5293, 5688, 5762, 6030, 6794, 7110, 7740, 8040, 8643, 9480, 10191, 10586, 11524, 12060, 13588, 14220, 14405, 15480, 15879, 16985, 17286, 20382, 21172, 23048, 24120, 25929, 26465, 27176, 28440, 28810, 30573, 31758, 33970, 34572, 40764, 42344, 43215, 47637, 50955, 51858, 52930, 57620, 61146, 63516, 67940, 69144, 79395, 81528, 86430, 95274, 101910, 103716, 105860, 115240, 122292, 127032, 129645, 135880, 152865, 158790, 172860, 190548, 203820, 207432, 211720, 227599, 238185, 244584, 259290, 305730, 317580, 345720, 381096, 407640, 455198, 476370, 518580, 611460, 635160, 682797, 910396, 952740, 1037160, 1137995, 1222920, 1365594, 1820792, 1905480, 2048391, 2275990, 2731188, 3413985, 4096782, 4551980, 5462376, 6827970, 8193564, 9103960, 10241955, 13655940, 16387128, 20483910, 27311880, 40967820, 81935640]

約数ペア:

[(1, 81935640), (2, 40967820), (3, 27311880), (4, 20483910), (5, 16387128), (6, 13655940), (8, 10241955), (9, 9103960), (10, 8193564), (12, 6827970), (15, 5462376), (18, 4551980), (20, 4096782), (24, 3413985), (30, 2731188), (36, 2275990), (40, 2048391), (43, 1905480), (45, 1820792), (60, 1365594), (67, 1222920), (72, 1137995), (79, 1037160), (86, 952740), (90, 910396), (120, 682797), (129, 635160), (134, 611460), (158, 518580), (172, 476370), (180, 455198), (201, 407640), (215, 381096), (237, 345720), (258, 317580), (268, 305730), (316, 259290), (335, 244584), (344, 238185), (360, 227599), (387, 211720), (395, 207432), (402, 203820), (430, 190548), (474, 172860), (516, 158790), (536, 152865), (603, 135880), (632, 129645), (645, 127032), (670, 122292), (711, 115240), (774, 105860), (790, 103716), (804, 101910), (860, 95274), (948, 86430), (1005, 81528), (1032, 79395), (1185, 69144), (1206, 67940), (1290, 63516), (1340, 61146), (1422, 57620), (1548, 52930), (1580, 51858), (1608, 50955), (1720, 47637), (1896, 43215), (1935, 42344), (2010, 40764), (2370, 34572), (2412, 33970), (2580, 31758), (2680, 30573), (2844, 28810), (2881, 28440), (3015, 27176), (3096, 26465), (3160, 25929), (3397, 24120), (3555, 23048), (3870, 21172), (4020, 20382), (4740, 17286), (4824, 16985), (5160, 15879), (5293, 15480), (5688, 14405), (5762, 14220), (6030, 13588), (6794, 12060), (7110, 11524), (7740, 10586), (8040, 10191), (8643, 9480)]