8211780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 26650008

約数和(自身を除く): 18438228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 137, 148, 162, 180, 185, 222, 270, 274, 324, 333, 370, 405, 411, 444, 540, 548, 555, 666, 685, 740, 810, 822, 999, 1110, 1233, 1332, 1370, 1620, 1644, 1665, 1998, 2055, 2220, 2466, 2740, 2997, 3330, 3699, 3996, 4110, 4932, 4995, 5069, 5994, 6165, 6660, 7398, 8220, 9990, 10138, 11097, 11988, 12330, 14796, 14985, 15207, 18495, 19980, 20276, 22194, 24660, 25345, 29970, 30414, 36990, 44388, 45621, 50690, 55485, 59940, 60828, 73980, 76035, 91242, 101380, 110970, 136863, 152070, 182484, 221940, 228105, 273726, 304140, 410589, 456210, 547452, 684315, 821178, 912420, 1368630, 1642356, 2052945, 2737260, 4105890, 8211780]

約数ペア:

[(1, 8211780), (2, 4105890), (3, 2737260), (4, 2052945), (5, 1642356), (6, 1368630), (9, 912420), (10, 821178), (12, 684315), (15, 547452), (18, 456210), (20, 410589), (27, 304140), (30, 273726), (36, 228105), (37, 221940), (45, 182484), (54, 152070), (60, 136863), (74, 110970), (81, 101380), (90, 91242), (108, 76035), (111, 73980), (135, 60828), (137, 59940), (148, 55485), (162, 50690), (180, 45621), (185, 44388), (222, 36990), (270, 30414), (274, 29970), (324, 25345), (333, 24660), (370, 22194), (405, 20276), (411, 19980), (444, 18495), (540, 15207), (548, 14985), (555, 14796), (666, 12330), (685, 11988), (740, 11097), (810, 10138), (822, 9990), (999, 8220), (1110, 7398), (1233, 6660), (1332, 6165), (1370, 5994), (1620, 5069), (1644, 4995), (1665, 4932), (1998, 4110), (2055, 3996), (2220, 3699), (2466, 3330), (2740, 2997)]