78163980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 227295936

約数和(自身を除く): 149131956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 137, 148, 185, 222, 257, 274, 370, 411, 444, 514, 548, 555, 685, 740, 771, 822, 1028, 1110, 1285, 1370, 1542, 1644, 2055, 2220, 2570, 2740, 3084, 3855, 4110, 5069, 5140, 7710, 8220, 9509, 10138, 15207, 15420, 19018, 20276, 25345, 28527, 30414, 35209, 38036, 47545, 50690, 57054, 60828, 70418, 76035, 95090, 101380, 105627, 114108, 140836, 142635, 152070, 176045, 190180, 211254, 285270, 304140, 352090, 422508, 528135, 570540, 704180, 1056270, 1302733, 2112540, 2605466, 3908199, 5210932, 6513665, 7816398, 13027330, 15632796, 19540995, 26054660, 39081990, 78163980]

約数ペア:

[(1, 78163980), (2, 39081990), (3, 26054660), (4, 19540995), (5, 15632796), (6, 13027330), (10, 7816398), (12, 6513665), (15, 5210932), (20, 3908199), (30, 2605466), (37, 2112540), (60, 1302733), (74, 1056270), (111, 704180), (137, 570540), (148, 528135), (185, 422508), (222, 352090), (257, 304140), (274, 285270), (370, 211254), (411, 190180), (444, 176045), (514, 152070), (548, 142635), (555, 140836), (685, 114108), (740, 105627), (771, 101380), (822, 95090), (1028, 76035), (1110, 70418), (1285, 60828), (1370, 57054), (1542, 50690), (1644, 47545), (2055, 38036), (2220, 35209), (2570, 30414), (2740, 28527), (3084, 25345), (3855, 20276), (4110, 19018), (5069, 15420), (5140, 15207), (7710, 10138), (8220, 9509)]