664307820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2137}}^1$

素因数の和:2320

約数の個数: 144

約数和(自身を含む): 2213291808

約数和(自身を除く): 1548983988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 314, 330, 396, 471, 495, 628, 660, 785, 942, 990, 1413, 1570, 1727, 1884, 1980, 2137, 2355, 2826, 3140, 3454, 4274, 4710, 5181, 5652, 6411, 6908, 7065, 8548, 8635, 9420, 10362, 10685, 12822, 14130, 15543, 17270, 19233, 20724, 21370, 23507, 25644, 25905, 28260, 31086, 32055, 34540, 38466, 42740, 47014, 51810, 62172, 64110, 70521, 76932, 77715, 94028, 96165, 103620, 117535, 128220, 141042, 155430, 192330, 211563, 235070, 282084, 310860, 335509, 352605, 384660, 423126, 470140, 671018, 705210, 846252, 1006527, 1057815, 1342036, 1410420, 1677545, 2013054, 2115630, 3019581, 3355090, 3690599, 4026108, 4231260, 5032635, 6039162, 6710180, 7381198, 10065270, 11071797, 12078324, 14762396, 15097905, 18452995, 20130540, 22143594, 30195810, 33215391, 36905990, 44287188, 55358985, 60391620, 66430782, 73811980, 110717970, 132861564, 166076955, 221435940, 332153910, 664307820]

約数ペア:

[(1, 664307820), (2, 332153910), (3, 221435940), (4, 166076955), (5, 132861564), (6, 110717970), (9, 73811980), (10, 66430782), (11, 60391620), (12, 55358985), (15, 44287188), (18, 36905990), (20, 33215391), (22, 30195810), (30, 22143594), (33, 20130540), (36, 18452995), (44, 15097905), (45, 14762396), (55, 12078324), (60, 11071797), (66, 10065270), (90, 7381198), (99, 6710180), (110, 6039162), (132, 5032635), (157, 4231260), (165, 4026108), (180, 3690599), (198, 3355090), (220, 3019581), (314, 2115630), (330, 2013054), (396, 1677545), (471, 1410420), (495, 1342036), (628, 1057815), (660, 1006527), (785, 846252), (942, 705210), (990, 671018), (1413, 470140), (1570, 423126), (1727, 384660), (1884, 352605), (1980, 335509), (2137, 310860), (2355, 282084), (2826, 235070), (3140, 211563), (3454, 192330), (4274, 155430), (4710, 141042), (5181, 128220), (5652, 117535), (6411, 103620), (6908, 96165), (7065, 94028), (8548, 77715), (8635, 76932), (9420, 70521), (10362, 64110), (10685, 62172), (12822, 51810), (14130, 47014), (15543, 42740), (17270, 38466), (19233, 34540), (20724, 32055), (21370, 31086), (23507, 28260), (25644, 25905)]