140966280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 288

約数和(自身を含む): 568676160

約数和(自身を除く): 427709880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 169, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 331, 338, 360, 364, 390, 420, 455, 468, 504, 507, 520, 546, 585, 630, 662, 676, 728, 780, 819, 840, 845, 910, 936, 993, 1014, 1092, 1170, 1183, 1260, 1324, 1352, 1365, 1521, 1560, 1638, 1655, 1690, 1820, 1986, 2028, 2184, 2317, 2340, 2366, 2520, 2535, 2648, 2730, 2979, 3042, 3276, 3310, 3380, 3549, 3640, 3972, 4056, 4095, 4303, 4634, 4680, 4732, 4965, 5070, 5460, 5915, 5958, 6084, 6552, 6620, 6760, 6951, 7098, 7605, 7944, 8190, 8606, 9268, 9464, 9930, 10140, 10647, 10920, 11585, 11830, 11916, 12168, 12909, 13240, 13902, 14196, 14895, 15210, 16380, 17212, 17745, 18536, 19860, 20280, 20853, 21294, 21515, 23170, 23660, 23832, 25818, 27804, 28392, 29790, 30121, 30420, 32760, 34424, 34755, 35490, 38727, 39720, 41706, 42588, 43030, 46340, 47320, 51636, 53235, 55608, 55939, 59580, 60242, 60840, 64545, 69510, 70980, 77454, 83412, 85176, 86060, 90363, 92680, 103272, 104265, 106470, 111878, 119160, 120484, 129090, 139020, 141960, 150605, 154908, 166824, 167817, 172120, 180726, 193635, 208530, 212940, 223756, 240968, 258180, 271089, 278040, 279695, 301210, 309816, 335634, 361452, 387270, 391573, 417060, 425880, 447512, 451815, 503451, 516360, 542178, 559390, 602420, 671268, 722904, 774540, 783146, 834120, 839085, 903630, 1006902, 1084356, 1118780, 1174719, 1204840, 1342536, 1355445, 1549080, 1566292, 1678170, 1807260, 1957865, 2013804, 2168712, 2237560, 2349438, 2517255, 2710890, 3132584, 3356340, 3524157, 3614520, 3915730, 4027608, 4698876, 5034510, 5421780, 5873595, 6712680, 7048314, 7831460, 9397752, 10069020, 10843560, 11747190, 14096628, 15662920, 17620785, 20138040, 23494380, 28193256, 35241570, 46988760, 70483140, 140966280]

約数ペア:

[(1, 140966280), (2, 70483140), (3, 46988760), (4, 35241570), (5, 28193256), (6, 23494380), (7, 20138040), (8, 17620785), (9, 15662920), (10, 14096628), (12, 11747190), (13, 10843560), (14, 10069020), (15, 9397752), (18, 7831460), (20, 7048314), (21, 6712680), (24, 5873595), (26, 5421780), (28, 5034510), (30, 4698876), (35, 4027608), (36, 3915730), (39, 3614520), (40, 3524157), (42, 3356340), (45, 3132584), (52, 2710890), (56, 2517255), (60, 2349438), (63, 2237560), (65, 2168712), (70, 2013804), (72, 1957865), (78, 1807260), (84, 1678170), (90, 1566292), (91, 1549080), (104, 1355445), (105, 1342536), (117, 1204840), (120, 1174719), (126, 1118780), (130, 1084356), (140, 1006902), (156, 903630), (168, 839085), (169, 834120), (180, 783146), (182, 774540), (195, 722904), (210, 671268), (234, 602420), (252, 559390), (260, 542178), (273, 516360), (280, 503451), (312, 451815), (315, 447512), (331, 425880), (338, 417060), (360, 391573), (364, 387270), (390, 361452), (420, 335634), (455, 309816), (468, 301210), (504, 279695), (507, 278040), (520, 271089), (546, 258180), (585, 240968), (630, 223756), (662, 212940), (676, 208530), (728, 193635), (780, 180726), (819, 172120), (840, 167817), (845, 166824), (910, 154908), (936, 150605), (993, 141960), (1014, 139020), (1092, 129090), (1170, 120484), (1183, 119160), (1260, 111878), (1324, 106470), (1352, 104265), (1365, 103272), (1521, 92680), (1560, 90363), (1638, 86060), (1655, 85176), (1690, 83412), (1820, 77454), (1986, 70980), (2028, 69510), (2184, 64545), (2317, 60840), (2340, 60242), (2366, 59580), (2520, 55939), (2535, 55608), (2648, 53235), (2730, 51636), (2979, 47320), (3042, 46340), (3276, 43030), (3310, 42588), (3380, 41706), (3549, 39720), (3640, 38727), (3972, 35490), (4056, 34755), (4095, 34424), (4303, 32760), (4634, 30420), (4680, 30121), (4732, 29790), (4965, 28392), (5070, 27804), (5460, 25818), (5915, 23832), (5958, 23660), (6084, 23170), (6552, 21515), (6620, 21294), (6760, 20853), (6951, 20280), (7098, 19860), (7605, 18536), (7944, 17745), (8190, 17212), (8606, 16380), (9268, 15210), (9464, 14895), (9930, 14196), (10140, 13902), (10647, 13240), (10920, 12909), (11585, 12168), (11830, 11916)]