638018010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 1973597184

約数和(自身を除く): 1335579174

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 63, 70, 74, 90, 101, 105, 111, 126, 185, 202, 210, 222, 259, 271, 303, 315, 333, 370, 505, 518, 542, 555, 606, 630, 666, 707, 777, 813, 909, 1010, 1110, 1295, 1355, 1414, 1515, 1554, 1626, 1665, 1818, 1897, 2121, 2331, 2439, 2590, 2710, 3030, 3330, 3535, 3737, 3794, 3885, 4065, 4242, 4545, 4662, 4878, 5691, 6363, 7070, 7474, 7770, 8130, 9090, 9485, 10027, 10605, 11211, 11382, 11655, 12195, 12726, 17073, 18685, 18970, 20054, 21210, 22422, 23310, 24390, 26159, 27371, 28455, 30081, 31815, 33633, 34146, 37370, 50135, 52318, 54742, 56055, 56910, 60162, 63630, 67266, 70189, 78477, 82113, 85365, 90243, 100270, 112110, 130795, 136855, 140378, 150405, 156954, 164226, 168165, 170730, 180486, 191597, 210567, 235431, 246339, 261590, 273710, 300810, 336330, 350945, 383194, 392385, 410565, 421134, 451215, 470862, 492678, 574791, 631701, 701890, 784770, 821130, 902430, 957985, 1012727, 1052835, 1149582, 1177155, 1231695, 1263402, 1724373, 1915970, 2025454, 2105670, 2354310, 2463390, 2873955, 3038181, 3158505, 3448746, 5063635, 5747910, 6076362, 6317010, 7089089, 8621865, 9114543, 10127270, 14178178, 15190905, 17243730, 18229086, 21267267, 30381810, 35445445, 42534534, 45572715, 63801801, 70890890, 91145430, 106336335, 127603602, 212672670, 319009005, 638018010]

約数ペア:

[(1, 638018010), (2, 319009005), (3, 212672670), (5, 127603602), (6, 106336335), (7, 91145430), (9, 70890890), (10, 63801801), (14, 45572715), (15, 42534534), (18, 35445445), (21, 30381810), (30, 21267267), (35, 18229086), (37, 17243730), (42, 15190905), (45, 14178178), (63, 10127270), (70, 9114543), (74, 8621865), (90, 7089089), (101, 6317010), (105, 6076362), (111, 5747910), (126, 5063635), (185, 3448746), (202, 3158505), (210, 3038181), (222, 2873955), (259, 2463390), (271, 2354310), (303, 2105670), (315, 2025454), (333, 1915970), (370, 1724373), (505, 1263402), (518, 1231695), (542, 1177155), (555, 1149582), (606, 1052835), (630, 1012727), (666, 957985), (707, 902430), (777, 821130), (813, 784770), (909, 701890), (1010, 631701), (1110, 574791), (1295, 492678), (1355, 470862), (1414, 451215), (1515, 421134), (1554, 410565), (1626, 392385), (1665, 383194), (1818, 350945), (1897, 336330), (2121, 300810), (2331, 273710), (2439, 261590), (2590, 246339), (2710, 235431), (3030, 210567), (3330, 191597), (3535, 180486), (3737, 170730), (3794, 168165), (3885, 164226), (4065, 156954), (4242, 150405), (4545, 140378), (4662, 136855), (4878, 130795), (5691, 112110), (6363, 100270), (7070, 90243), (7474, 85365), (7770, 82113), (8130, 78477), (9090, 70189), (9485, 67266), (10027, 63630), (10605, 60162), (11211, 56910), (11382, 56055), (11655, 54742), (12195, 52318), (12726, 50135), (17073, 37370), (18685, 34146), (18970, 33633), (20054, 31815), (21210, 30081), (22422, 28455), (23310, 27371), (24390, 26159)]