68416040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 194745600

約数和(自身を除く): 126329560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 229, 280, 308, 385, 388, 440, 458, 485, 616, 679, 770, 776, 916, 970, 1067, 1145, 1358, 1540, 1603, 1832, 1940, 2134, 2290, 2519, 2716, 3080, 3206, 3395, 3880, 4268, 4580, 5038, 5335, 5432, 6412, 6790, 7469, 8015, 8536, 9160, 10076, 10670, 12595, 12824, 13580, 14938, 16030, 17633, 20152, 21340, 22213, 25190, 27160, 29876, 32060, 35266, 37345, 42680, 44426, 50380, 59752, 64120, 70532, 74690, 88165, 88852, 100760, 111065, 141064, 149380, 155491, 176330, 177704, 222130, 244343, 298760, 310982, 352660, 444260, 488686, 621964, 705320, 777455, 888520, 977372, 1221715, 1243928, 1554910, 1710401, 1954744, 2443430, 3109820, 3420802, 4886860, 6219640, 6841604, 8552005, 9773720, 13683208, 17104010, 34208020, 68416040]

約数ペア:

[(1, 68416040), (2, 34208020), (4, 17104010), (5, 13683208), (7, 9773720), (8, 8552005), (10, 6841604), (11, 6219640), (14, 4886860), (20, 3420802), (22, 3109820), (28, 2443430), (35, 1954744), (40, 1710401), (44, 1554910), (55, 1243928), (56, 1221715), (70, 977372), (77, 888520), (88, 777455), (97, 705320), (110, 621964), (140, 488686), (154, 444260), (194, 352660), (220, 310982), (229, 298760), (280, 244343), (308, 222130), (385, 177704), (388, 176330), (440, 155491), (458, 149380), (485, 141064), (616, 111065), (679, 100760), (770, 88852), (776, 88165), (916, 74690), (970, 70532), (1067, 64120), (1145, 59752), (1358, 50380), (1540, 44426), (1603, 42680), (1832, 37345), (1940, 35266), (2134, 32060), (2290, 29876), (2519, 27160), (2716, 25190), (3080, 22213), (3206, 21340), (3395, 20152), (3880, 17633), (4268, 16030), (4580, 14938), (5038, 13580), (5335, 12824), (5432, 12595), (6412, 10670), (6790, 10076), (7469, 9160), (8015, 8536)]