257794680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 256

約数和(自身を含む): 924618240

約数和(自身を除く): 666823560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 83, 88, 104, 110, 120, 130, 132, 143, 156, 165, 166, 181, 195, 220, 249, 260, 264, 286, 312, 330, 332, 362, 390, 415, 429, 440, 498, 520, 543, 572, 660, 664, 715, 724, 780, 830, 858, 905, 913, 996, 1079, 1086, 1144, 1245, 1320, 1430, 1448, 1560, 1660, 1716, 1810, 1826, 1991, 1992, 2145, 2158, 2172, 2353, 2490, 2715, 2739, 2860, 3237, 3320, 3432, 3620, 3652, 3982, 4290, 4316, 4344, 4565, 4706, 4980, 5395, 5430, 5478, 5720, 5973, 6474, 7059, 7240, 7304, 7964, 8580, 8632, 9130, 9412, 9955, 9960, 10790, 10860, 10956, 11765, 11869, 11946, 12948, 13695, 14118, 15023, 15928, 16185, 17160, 18260, 18824, 19910, 21580, 21720, 21912, 23530, 23738, 23892, 25883, 25896, 27390, 28236, 29865, 30046, 32370, 35295, 35607, 36520, 39820, 43160, 45069, 47060, 47476, 47784, 51766, 54780, 56472, 59345, 59730, 60092, 64740, 70590, 71214, 75115, 77649, 79640, 90138, 94120, 94952, 103532, 109560, 118690, 119460, 120184, 129415, 129480, 141180, 142428, 150230, 155298, 165253, 178035, 180276, 195299, 207064, 225345, 237380, 238920, 258830, 282360, 284856, 300460, 310596, 330506, 356070, 360552, 388245, 390598, 450690, 474760, 495759, 517660, 585897, 600920, 621192, 661012, 712140, 776490, 781196, 826265, 901380, 976495, 991518, 1035320, 1171794, 1322024, 1424280, 1552980, 1562392, 1652530, 1802760, 1952990, 1983036, 2148289, 2343588, 2478795, 2929485, 3105960, 3305060, 3905980, 3966072, 4296578, 4687176, 4957590, 5858970, 6444867, 6610120, 7811960, 8593156, 9915180, 10741445, 11717940, 12889734, 17186312, 19830360, 21482890, 23435880, 25779468, 32224335, 42965780, 51558936, 64448670, 85931560, 128897340, 257794680]

約数ペア:

[(1, 257794680), (2, 128897340), (3, 85931560), (4, 64448670), (5, 51558936), (6, 42965780), (8, 32224335), (10, 25779468), (11, 23435880), (12, 21482890), (13, 19830360), (15, 17186312), (20, 12889734), (22, 11717940), (24, 10741445), (26, 9915180), (30, 8593156), (33, 7811960), (39, 6610120), (40, 6444867), (44, 5858970), (52, 4957590), (55, 4687176), (60, 4296578), (65, 3966072), (66, 3905980), (78, 3305060), (83, 3105960), (88, 2929485), (104, 2478795), (110, 2343588), (120, 2148289), (130, 1983036), (132, 1952990), (143, 1802760), (156, 1652530), (165, 1562392), (166, 1552980), (181, 1424280), (195, 1322024), (220, 1171794), (249, 1035320), (260, 991518), (264, 976495), (286, 901380), (312, 826265), (330, 781196), (332, 776490), (362, 712140), (390, 661012), (415, 621192), (429, 600920), (440, 585897), (498, 517660), (520, 495759), (543, 474760), (572, 450690), (660, 390598), (664, 388245), (715, 360552), (724, 356070), (780, 330506), (830, 310596), (858, 300460), (905, 284856), (913, 282360), (996, 258830), (1079, 238920), (1086, 237380), (1144, 225345), (1245, 207064), (1320, 195299), (1430, 180276), (1448, 178035), (1560, 165253), (1660, 155298), (1716, 150230), (1810, 142428), (1826, 141180), (1991, 129480), (1992, 129415), (2145, 120184), (2158, 119460), (2172, 118690), (2353, 109560), (2490, 103532), (2715, 94952), (2739, 94120), (2860, 90138), (3237, 79640), (3320, 77649), (3432, 75115), (3620, 71214), (3652, 70590), (3982, 64740), (4290, 60092), (4316, 59730), (4344, 59345), (4565, 56472), (4706, 54780), (4980, 51766), (5395, 47784), (5430, 47476), (5478, 47060), (5720, 45069), (5973, 43160), (6474, 39820), (7059, 36520), (7240, 35607), (7304, 35295), (7964, 32370), (8580, 30046), (8632, 29865), (9130, 28236), (9412, 27390), (9955, 25896), (9960, 25883), (10790, 23892), (10860, 23738), (10956, 23530), (11765, 21912), (11869, 21720), (11946, 21580), (12948, 19910), (13695, 18824), (14118, 18260), (15023, 17160), (15928, 16185)]