278364307720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{3217}}^1$

素因数の和:3767

約数の個数: 128

約数和(自身を含む): 645180681600

約数和(自身を除く): 366816373880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 268, 332, 335, 389, 415, 536, 664, 670, 778, 830, 1340, 1556, 1660, 1945, 2680, 3112, 3217, 3320, 3890, 5561, 6434, 7780, 11122, 12868, 15560, 16085, 22244, 25736, 26063, 27805, 32170, 32287, 44488, 52126, 55610, 64340, 64574, 104252, 111220, 128680, 129148, 130315, 161435, 208504, 215539, 222440, 258296, 260630, 267011, 322870, 431078, 521260, 534022, 645740, 862156, 1042520, 1068044, 1077695, 1251413, 1291480, 1335055, 1724312, 2136088, 2155390, 2163229, 2502826, 2670110, 4310780, 4326458, 5005652, 5340220, 6257065, 8621560, 8652916, 10011304, 10680440, 10816145, 12514130, 17305832, 17889737, 21632290, 25028260, 35779474, 43264580, 50056520, 71558948, 83844671, 86529160, 89448685, 103867279, 143117896, 167689342, 178897370, 207734558, 335378684, 357794740, 415469116, 419223355, 519336395, 670757368, 715589480, 830938232, 838446710, 1038672790, 1676893420, 2077345580, 3353786840, 4154691160, 6959107693, 13918215386, 27836430772, 34795538465, 55672861544, 69591076930, 139182153860, 278364307720]

約数ペア:

[(1, 278364307720), (2, 139182153860), (4, 69591076930), (5, 55672861544), (8, 34795538465), (10, 27836430772), (20, 13918215386), (40, 6959107693), (67, 4154691160), (83, 3353786840), (134, 2077345580), (166, 1676893420), (268, 1038672790), (332, 838446710), (335, 830938232), (389, 715589480), (415, 670757368), (536, 519336395), (664, 419223355), (670, 415469116), (778, 357794740), (830, 335378684), (1340, 207734558), (1556, 178897370), (1660, 167689342), (1945, 143117896), (2680, 103867279), (3112, 89448685), (3217, 86529160), (3320, 83844671), (3890, 71558948), (5561, 50056520), (6434, 43264580), (7780, 35779474), (11122, 25028260), (12868, 21632290), (15560, 17889737), (16085, 17305832), (22244, 12514130), (25736, 10816145), (26063, 10680440), (27805, 10011304), (32170, 8652916), (32287, 8621560), (44488, 6257065), (52126, 5340220), (55610, 5005652), (64340, 4326458), (64574, 4310780), (104252, 2670110), (111220, 2502826), (128680, 2163229), (129148, 2155390), (130315, 2136088), (161435, 1724312), (208504, 1335055), (215539, 1291480), (222440, 1251413), (258296, 1077695), (260630, 1068044), (267011, 1042520), (322870, 862156), (431078, 645740), (521260, 534022)]