244440840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{733}}^1$

素因数の和:1151

約数の個数: 128

約数和(自身を含む): 841340160

約数和(自身を除く): 596899320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 397, 420, 733, 794, 840, 1191, 1466, 1588, 1985, 2199, 2382, 2779, 2932, 3176, 3665, 3970, 4398, 4764, 5131, 5558, 5864, 5955, 7330, 7940, 8337, 8796, 9528, 10262, 10995, 11116, 11910, 13895, 14660, 15393, 15880, 16674, 17592, 20524, 21990, 22232, 23820, 25655, 27790, 29320, 30786, 33348, 41048, 41685, 43980, 47640, 51310, 55580, 61572, 66696, 76965, 83370, 87960, 102620, 111160, 123144, 153930, 166740, 205240, 291001, 307860, 333480, 582002, 615720, 873003, 1164004, 1455005, 1746006, 2037007, 2328008, 2910010, 3492012, 4074014, 4365015, 5820020, 6111021, 6984024, 8148028, 8730030, 10185035, 11640040, 12222042, 16296056, 17460060, 20370070, 24444084, 30555105, 34920120, 40740140, 48888168, 61110210, 81480280, 122220420, 244440840]

約数ペア:

[(1, 244440840), (2, 122220420), (3, 81480280), (4, 61110210), (5, 48888168), (6, 40740140), (7, 34920120), (8, 30555105), (10, 24444084), (12, 20370070), (14, 17460060), (15, 16296056), (20, 12222042), (21, 11640040), (24, 10185035), (28, 8730030), (30, 8148028), (35, 6984024), (40, 6111021), (42, 5820020), (56, 4365015), (60, 4074014), (70, 3492012), (84, 2910010), (105, 2328008), (120, 2037007), (140, 1746006), (168, 1455005), (210, 1164004), (280, 873003), (397, 615720), (420, 582002), (733, 333480), (794, 307860), (840, 291001), (1191, 205240), (1466, 166740), (1588, 153930), (1985, 123144), (2199, 111160), (2382, 102620), (2779, 87960), (2932, 83370), (3176, 76965), (3665, 66696), (3970, 61572), (4398, 55580), (4764, 51310), (5131, 47640), (5558, 43980), (5864, 41685), (5955, 41048), (7330, 33348), (7940, 30786), (8337, 29320), (8796, 27790), (9528, 25655), (10262, 23820), (10995, 22232), (11116, 21990), (11910, 20524), (13895, 17592), (14660, 16674), (15393, 15880)]