2016764920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 4809067200

約数和(自身を除く): 2792302280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 89, 122, 148, 178, 185, 244, 251, 296, 305, 356, 370, 445, 488, 502, 610, 712, 740, 890, 1004, 1220, 1255, 1480, 1780, 2008, 2257, 2440, 2510, 3293, 3560, 4514, 5020, 5429, 6586, 9028, 9287, 10040, 10858, 11285, 13172, 15311, 16465, 18056, 18574, 21716, 22339, 22570, 26344, 27145, 30622, 32930, 37148, 43432, 44678, 45140, 46435, 54290, 61244, 65860, 74296, 76555, 89356, 90280, 92870, 108580, 111695, 122488, 131720, 153110, 178712, 185740, 200873, 217160, 223390, 306220, 371480, 401746, 446780, 566507, 612440, 803492, 826543, 893560, 1004365, 1133014, 1362679, 1606984, 1653086, 2008730, 2266028, 2725358, 2832535, 3306172, 4017460, 4132715, 4532056, 5450716, 5665070, 6612344, 6813395, 8034920, 8265430, 10901432, 11330140, 13626790, 16530860, 22660280, 27253580, 33061720, 50419123, 54507160, 100838246, 201676492, 252095615, 403352984, 504191230, 1008382460, 2016764920]

約数ペア:

[(1, 2016764920), (2, 1008382460), (4, 504191230), (5, 403352984), (8, 252095615), (10, 201676492), (20, 100838246), (37, 54507160), (40, 50419123), (61, 33061720), (74, 27253580), (89, 22660280), (122, 16530860), (148, 13626790), (178, 11330140), (185, 10901432), (244, 8265430), (251, 8034920), (296, 6813395), (305, 6612344), (356, 5665070), (370, 5450716), (445, 4532056), (488, 4132715), (502, 4017460), (610, 3306172), (712, 2832535), (740, 2725358), (890, 2266028), (1004, 2008730), (1220, 1653086), (1255, 1606984), (1480, 1362679), (1780, 1133014), (2008, 1004365), (2257, 893560), (2440, 826543), (2510, 803492), (3293, 612440), (3560, 566507), (4514, 446780), (5020, 401746), (5429, 371480), (6586, 306220), (9028, 223390), (9287, 217160), (10040, 200873), (10858, 185740), (11285, 178712), (13172, 153110), (15311, 131720), (16465, 122488), (18056, 111695), (18574, 108580), (21716, 92870), (22339, 90280), (22570, 89356), (26344, 76555), (27145, 74296), (30622, 65860), (32930, 61244), (37148, 54290), (43432, 46435), (44678, 45140)]