81583320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 256

約数和(自身を含む): 312238080

約数和(自身を除く): 230654760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 241, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 482, 520, 546, 620, 651, 723, 728, 744, 780, 806, 840, 868, 910, 930, 964, 1085, 1092, 1205, 1209, 1240, 1302, 1365, 1446, 1560, 1612, 1687, 1736, 1820, 1860, 1928, 2015, 2170, 2184, 2410, 2418, 2604, 2730, 2821, 2892, 3133, 3224, 3255, 3374, 3615, 3640, 3720, 4030, 4340, 4820, 4836, 5061, 5208, 5460, 5642, 5784, 6045, 6266, 6510, 6748, 7230, 7471, 8060, 8435, 8463, 8680, 9399, 9640, 9672, 10122, 10920, 11284, 12090, 12532, 13020, 13496, 14105, 14460, 14942, 15665, 16120, 16870, 16926, 18798, 20244, 21931, 22413, 22568, 24180, 25064, 25305, 26040, 28210, 28920, 29884, 31330, 33740, 33852, 37355, 37596, 40488, 42315, 43862, 44826, 46995, 48360, 50610, 52297, 56420, 59768, 62660, 65793, 67480, 67704, 74710, 75192, 84630, 87724, 89652, 93990, 97123, 101220, 104594, 109655, 112065, 112840, 125320, 131586, 149420, 156891, 169260, 175448, 179304, 187980, 194246, 202440, 209188, 219310, 224130, 261485, 263172, 291369, 298840, 313782, 328965, 338520, 375960, 388492, 418376, 438620, 448260, 485615, 522970, 526344, 582738, 627564, 657930, 679861, 776984, 784455, 877240, 896520, 971230, 1045940, 1165476, 1255128, 1315860, 1359722, 1456845, 1568910, 1942460, 2039583, 2091880, 2330952, 2631720, 2719444, 2913690, 3137820, 3399305, 3884920, 4079166, 5438888, 5827380, 6275640, 6798610, 8158332, 10197915, 11654760, 13597220, 16316664, 20395830, 27194440, 40791660, 81583320]

約数ペア:

[(1, 81583320), (2, 40791660), (3, 27194440), (4, 20395830), (5, 16316664), (6, 13597220), (7, 11654760), (8, 10197915), (10, 8158332), (12, 6798610), (13, 6275640), (14, 5827380), (15, 5438888), (20, 4079166), (21, 3884920), (24, 3399305), (26, 3137820), (28, 2913690), (30, 2719444), (31, 2631720), (35, 2330952), (39, 2091880), (40, 2039583), (42, 1942460), (52, 1568910), (56, 1456845), (60, 1359722), (62, 1315860), (65, 1255128), (70, 1165476), (78, 1045940), (84, 971230), (91, 896520), (93, 877240), (104, 784455), (105, 776984), (120, 679861), (124, 657930), (130, 627564), (140, 582738), (155, 526344), (156, 522970), (168, 485615), (182, 448260), (186, 438620), (195, 418376), (210, 388492), (217, 375960), (241, 338520), (248, 328965), (260, 313782), (273, 298840), (280, 291369), (310, 263172), (312, 261485), (364, 224130), (372, 219310), (390, 209188), (403, 202440), (420, 194246), (434, 187980), (455, 179304), (465, 175448), (482, 169260), (520, 156891), (546, 149420), (620, 131586), (651, 125320), (723, 112840), (728, 112065), (744, 109655), (780, 104594), (806, 101220), (840, 97123), (868, 93990), (910, 89652), (930, 87724), (964, 84630), (1085, 75192), (1092, 74710), (1205, 67704), (1209, 67480), (1240, 65793), (1302, 62660), (1365, 59768), (1446, 56420), (1560, 52297), (1612, 50610), (1687, 48360), (1736, 46995), (1820, 44826), (1860, 43862), (1928, 42315), (2015, 40488), (2170, 37596), (2184, 37355), (2410, 33852), (2418, 33740), (2604, 31330), (2730, 29884), (2821, 28920), (2892, 28210), (3133, 26040), (3224, 25305), (3255, 25064), (3374, 24180), (3615, 22568), (3640, 22413), (3720, 21931), (4030, 20244), (4340, 18798), (4820, 16926), (4836, 16870), (5061, 16120), (5208, 15665), (5460, 14942), (5642, 14460), (5784, 14105), (6045, 13496), (6266, 13020), (6510, 12532), (6748, 12090), (7230, 11284), (7471, 10920), (8060, 10122), (8435, 9672), (8463, 9640), (8680, 9399)]