642480930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 256

約数和(自身を含む): 2141798400

約数和(自身を除く): 1499317470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 79, 90, 91, 105, 117, 126, 130, 135, 158, 182, 189, 195, 210, 234, 237, 270, 273, 315, 331, 351, 378, 390, 395, 455, 474, 546, 553, 585, 630, 662, 702, 711, 790, 819, 910, 945, 993, 1027, 1106, 1170, 1185, 1365, 1422, 1638, 1655, 1659, 1755, 1890, 1986, 2054, 2133, 2317, 2370, 2457, 2730, 2765, 2979, 3081, 3310, 3318, 3510, 3555, 4095, 4266, 4303, 4634, 4914, 4965, 4977, 5135, 5530, 5958, 6162, 6951, 7110, 7189, 8190, 8295, 8606, 8937, 9243, 9930, 9954, 10270, 10665, 11585, 12285, 12909, 13902, 14378, 14895, 14931, 15405, 16590, 17874, 18486, 20853, 21330, 21515, 21567, 23170, 24570, 24885, 25818, 26149, 27729, 29790, 29862, 30121, 30810, 34755, 35945, 38727, 41706, 43030, 43134, 44685, 46215, 49770, 52298, 55458, 60242, 62559, 64545, 64701, 69510, 71890, 74655, 77454, 78447, 89370, 90363, 92430, 104265, 107835, 116181, 125118, 129090, 129402, 130745, 138645, 149310, 150605, 156894, 180726, 183043, 193635, 194103, 208530, 215670, 232362, 235341, 261490, 271089, 277290, 301210, 312795, 323505, 339937, 366086, 387270, 388206, 392235, 451815, 470682, 542178, 549129, 580905, 625590, 647010, 679874, 706023, 784470, 813267, 903630, 915215, 970515, 1019811, 1098258, 1161810, 1176705, 1355445, 1412046, 1626534, 1647387, 1699685, 1830430, 1941030, 2039622, 2353410, 2379559, 2710890, 2745645, 3059433, 3294774, 3399370, 3530115, 4066335, 4759118, 4942161, 5099055, 5491290, 6118866, 7060230, 7138677, 8132670, 8236935, 9178299, 9884322, 10198110, 11897795, 14277354, 15297165, 16473870, 18356598, 21416031, 23795590, 24710805, 30594330, 35693385, 42832062, 45891495, 49421610, 64248093, 71386770, 91782990, 107080155, 128496186, 214160310, 321240465, 642480930]

約数ペア:

[(1, 642480930), (2, 321240465), (3, 214160310), (5, 128496186), (6, 107080155), (7, 91782990), (9, 71386770), (10, 64248093), (13, 49421610), (14, 45891495), (15, 42832062), (18, 35693385), (21, 30594330), (26, 24710805), (27, 23795590), (30, 21416031), (35, 18356598), (39, 16473870), (42, 15297165), (45, 14277354), (54, 11897795), (63, 10198110), (65, 9884322), (70, 9178299), (78, 8236935), (79, 8132670), (90, 7138677), (91, 7060230), (105, 6118866), (117, 5491290), (126, 5099055), (130, 4942161), (135, 4759118), (158, 4066335), (182, 3530115), (189, 3399370), (195, 3294774), (210, 3059433), (234, 2745645), (237, 2710890), (270, 2379559), (273, 2353410), (315, 2039622), (331, 1941030), (351, 1830430), (378, 1699685), (390, 1647387), (395, 1626534), (455, 1412046), (474, 1355445), (546, 1176705), (553, 1161810), (585, 1098258), (630, 1019811), (662, 970515), (702, 915215), (711, 903630), (790, 813267), (819, 784470), (910, 706023), (945, 679874), (993, 647010), (1027, 625590), (1106, 580905), (1170, 549129), (1185, 542178), (1365, 470682), (1422, 451815), (1638, 392235), (1655, 388206), (1659, 387270), (1755, 366086), (1890, 339937), (1986, 323505), (2054, 312795), (2133, 301210), (2317, 277290), (2370, 271089), (2457, 261490), (2730, 235341), (2765, 232362), (2979, 215670), (3081, 208530), (3310, 194103), (3318, 193635), (3510, 183043), (3555, 180726), (4095, 156894), (4266, 150605), (4303, 149310), (4634, 138645), (4914, 130745), (4965, 129402), (4977, 129090), (5135, 125118), (5530, 116181), (5958, 107835), (6162, 104265), (6951, 92430), (7110, 90363), (7189, 89370), (8190, 78447), (8295, 77454), (8606, 74655), (8937, 71890), (9243, 69510), (9930, 64701), (9954, 64545), (10270, 62559), (10665, 60242), (11585, 55458), (12285, 52298), (12909, 49770), (13902, 46215), (14378, 44685), (14895, 43134), (14931, 43030), (15405, 41706), (16590, 38727), (17874, 35945), (18486, 34755), (20853, 30810), (21330, 30121), (21515, 29862), (21567, 29790), (23170, 27729), (24570, 26149), (24885, 25818)]