248746680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 256

約数和(自身を含む): 1020902400

約数和(自身を除く): 772155720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2531, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5062, 5460, 6552, 7020, 7560, 7593, 8190, 9828, 10124, 10920, 12285, 12655, 14040, 15186, 16380, 17717, 19656, 20248, 22779, 24570, 25310, 30372, 32760, 32903, 35434, 37965, 45558, 49140, 50620, 53151, 60744, 65806, 68337, 70868, 75930, 88585, 91116, 98280, 98709, 101240, 106302, 113895, 131612, 136674, 141736, 151860, 159453, 164515, 177170, 182232, 197418, 212604, 227790, 230321, 263224, 265755, 273348, 296127, 303720, 318906, 329030, 341685, 354340, 394836, 425208, 455580, 460642, 478359, 493545, 531510, 546696, 592254, 637812, 658060, 683370, 690963, 708680, 789672, 797265, 888381, 911160, 921284, 956718, 987090, 1063020, 1151605, 1184508, 1275624, 1316120, 1366740, 1381926, 1480635, 1594530, 1776762, 1842568, 1913436, 1974180, 2072889, 2126040, 2303210, 2369016, 2391795, 2733480, 2763852, 2961270, 3189060, 3454815, 3553524, 3826872, 3948360, 4145778, 4441905, 4606420, 4783590, 5527704, 5922540, 6218667, 6378120, 6909630, 7107048, 8291556, 8883810, 9212840, 9567180, 10364445, 11845080, 12437334, 13819260, 16583112, 17767620, 19134360, 20728890, 24874668, 27638520, 31093335, 35535240, 41457780, 49749336, 62186670, 82915560, 124373340, 248746680]

約数ペア:

[(1, 248746680), (2, 124373340), (3, 82915560), (4, 62186670), (5, 49749336), (6, 41457780), (7, 35535240), (8, 31093335), (9, 27638520), (10, 24874668), (12, 20728890), (13, 19134360), (14, 17767620), (15, 16583112), (18, 13819260), (20, 12437334), (21, 11845080), (24, 10364445), (26, 9567180), (27, 9212840), (28, 8883810), (30, 8291556), (35, 7107048), (36, 6909630), (39, 6378120), (40, 6218667), (42, 5922540), (45, 5527704), (52, 4783590), (54, 4606420), (56, 4441905), (60, 4145778), (63, 3948360), (65, 3826872), (70, 3553524), (72, 3454815), (78, 3189060), (84, 2961270), (90, 2763852), (91, 2733480), (104, 2391795), (105, 2369016), (108, 2303210), (117, 2126040), (120, 2072889), (126, 1974180), (130, 1913436), (135, 1842568), (140, 1776762), (156, 1594530), (168, 1480635), (180, 1381926), (182, 1366740), (189, 1316120), (195, 1275624), (210, 1184508), (216, 1151605), (234, 1063020), (252, 987090), (260, 956718), (270, 921284), (273, 911160), (280, 888381), (312, 797265), (315, 789672), (351, 708680), (360, 690963), (364, 683370), (378, 658060), (390, 637812), (420, 592254), (455, 546696), (468, 531510), (504, 493545), (520, 478359), (540, 460642), (546, 455580), (585, 425208), (630, 394836), (702, 354340), (728, 341685), (756, 329030), (780, 318906), (819, 303720), (840, 296127), (910, 273348), (936, 265755), (945, 263224), (1080, 230321), (1092, 227790), (1170, 212604), (1260, 197418), (1365, 182232), (1404, 177170), (1512, 164515), (1560, 159453), (1638, 151860), (1755, 141736), (1820, 136674), (1890, 131612), (2184, 113895), (2340, 106302), (2457, 101240), (2520, 98709), (2531, 98280), (2730, 91116), (2808, 88585), (3276, 75930), (3510, 70868), (3640, 68337), (3780, 65806), (4095, 60744), (4680, 53151), (4914, 50620), (5062, 49140), (5460, 45558), (6552, 37965), (7020, 35434), (7560, 32903), (7593, 32760), (8190, 30372), (9828, 25310), (10124, 24570), (10920, 22779), (12285, 20248), (12655, 19656), (14040, 17717), (15186, 16380)]