81636120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{281}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 274104000

約数和(自身を除く): 192467880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 269, 270, 281, 360, 538, 540, 562, 807, 843, 1076, 1080, 1124, 1345, 1405, 1614, 1686, 2152, 2248, 2421, 2529, 2690, 2810, 3228, 3372, 4035, 4215, 4842, 5058, 5380, 5620, 6456, 6744, 7263, 7587, 8070, 8430, 9684, 10116, 10760, 11240, 12105, 12645, 14526, 15174, 16140, 16860, 19368, 20232, 24210, 25290, 29052, 30348, 32280, 33720, 36315, 37935, 48420, 50580, 58104, 60696, 72630, 75589, 75870, 96840, 101160, 145260, 151178, 151740, 226767, 290520, 302356, 303480, 377945, 453534, 604712, 680301, 755890, 907068, 1133835, 1360602, 1511780, 1814136, 2040903, 2267670, 2721204, 3023560, 3401505, 4081806, 4535340, 5442408, 6803010, 8163612, 9070680, 10204515, 13606020, 16327224, 20409030, 27212040, 40818060, 81636120]

約数ペア:

[(1, 81636120), (2, 40818060), (3, 27212040), (4, 20409030), (5, 16327224), (6, 13606020), (8, 10204515), (9, 9070680), (10, 8163612), (12, 6803010), (15, 5442408), (18, 4535340), (20, 4081806), (24, 3401505), (27, 3023560), (30, 2721204), (36, 2267670), (40, 2040903), (45, 1814136), (54, 1511780), (60, 1360602), (72, 1133835), (90, 907068), (108, 755890), (120, 680301), (135, 604712), (180, 453534), (216, 377945), (269, 303480), (270, 302356), (281, 290520), (360, 226767), (538, 151740), (540, 151178), (562, 145260), (807, 101160), (843, 96840), (1076, 75870), (1080, 75589), (1124, 72630), (1345, 60696), (1405, 58104), (1614, 50580), (1686, 48420), (2152, 37935), (2248, 36315), (2421, 33720), (2529, 32280), (2690, 30348), (2810, 29052), (3228, 25290), (3372, 24210), (4035, 20232), (4215, 19368), (4842, 16860), (5058, 16140), (5380, 15174), (5620, 14526), (6456, 12645), (6744, 12105), (7263, 11240), (7587, 10760), (8070, 10116), (8430, 9684)]