78585220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 209427120

約数和(自身を除く): 130841900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 53, 68, 70, 85, 89, 98, 106, 119, 140, 170, 178, 196, 212, 238, 245, 265, 340, 356, 371, 445, 476, 490, 530, 595, 623, 742, 833, 890, 901, 980, 1060, 1190, 1246, 1484, 1513, 1666, 1780, 1802, 1855, 2380, 2492, 2597, 3026, 3115, 3332, 3604, 3710, 4165, 4361, 4505, 4717, 5194, 6052, 6230, 6307, 7420, 7565, 8330, 8722, 9010, 9434, 10388, 10591, 12460, 12614, 12985, 15130, 16660, 17444, 18020, 18868, 21182, 21805, 23585, 25228, 25970, 30260, 31535, 33019, 42364, 43610, 44149, 47170, 51940, 52955, 63070, 66038, 74137, 80189, 87220, 88298, 94340, 105910, 126140, 132076, 148274, 160378, 165095, 176596, 211820, 220745, 231133, 296548, 320756, 330190, 370685, 400945, 441490, 462266, 561323, 660380, 741370, 801890, 882980, 924532, 1122646, 1155665, 1482740, 1603780, 2245292, 2311330, 2806615, 3929261, 4622660, 5613230, 7858522, 11226460, 15717044, 19646305, 39292610, 78585220]

約数ペア:

[(1, 78585220), (2, 39292610), (4, 19646305), (5, 15717044), (7, 11226460), (10, 7858522), (14, 5613230), (17, 4622660), (20, 3929261), (28, 2806615), (34, 2311330), (35, 2245292), (49, 1603780), (53, 1482740), (68, 1155665), (70, 1122646), (85, 924532), (89, 882980), (98, 801890), (106, 741370), (119, 660380), (140, 561323), (170, 462266), (178, 441490), (196, 400945), (212, 370685), (238, 330190), (245, 320756), (265, 296548), (340, 231133), (356, 220745), (371, 211820), (445, 176596), (476, 165095), (490, 160378), (530, 148274), (595, 132076), (623, 126140), (742, 105910), (833, 94340), (890, 88298), (901, 87220), (980, 80189), (1060, 74137), (1190, 66038), (1246, 63070), (1484, 52955), (1513, 51940), (1666, 47170), (1780, 44149), (1802, 43610), (1855, 42364), (2380, 33019), (2492, 31535), (2597, 30260), (3026, 25970), (3115, 25228), (3332, 23585), (3604, 21805), (3710, 21182), (4165, 18868), (4361, 18020), (4505, 17444), (4717, 16660), (5194, 15130), (6052, 12985), (6230, 12614), (6307, 12460), (7420, 10591), (7565, 10388), (8330, 9434), (8722, 9010)]