91406560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 255966480

約数和(自身を除く): 164559920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 89, 98, 112, 131, 140, 160, 178, 196, 224, 245, 262, 280, 356, 392, 445, 490, 524, 560, 623, 655, 712, 784, 890, 917, 980, 1048, 1120, 1246, 1310, 1424, 1568, 1780, 1834, 1960, 2096, 2492, 2620, 2848, 3115, 3560, 3668, 3920, 4192, 4361, 4585, 4984, 5240, 6230, 6419, 7120, 7336, 7840, 8722, 9170, 9968, 10480, 11659, 12460, 12838, 14240, 14672, 17444, 18340, 19936, 20960, 21805, 23318, 24920, 25676, 29344, 32095, 34888, 36680, 43610, 46636, 49840, 51352, 58295, 64190, 69776, 73360, 81613, 87220, 93272, 99680, 102704, 116590, 128380, 139552, 146720, 163226, 174440, 186544, 205408, 233180, 256760, 326452, 348880, 373088, 408065, 466360, 513520, 571291, 652904, 697760, 816130, 932720, 1027040, 1142582, 1305808, 1632260, 1865440, 2285164, 2611616, 2856455, 3264520, 4570328, 5712910, 6529040, 9140656, 11425820, 13058080, 18281312, 22851640, 45703280, 91406560]

約数ペア:

[(1, 91406560), (2, 45703280), (4, 22851640), (5, 18281312), (7, 13058080), (8, 11425820), (10, 9140656), (14, 6529040), (16, 5712910), (20, 4570328), (28, 3264520), (32, 2856455), (35, 2611616), (40, 2285164), (49, 1865440), (56, 1632260), (70, 1305808), (80, 1142582), (89, 1027040), (98, 932720), (112, 816130), (131, 697760), (140, 652904), (160, 571291), (178, 513520), (196, 466360), (224, 408065), (245, 373088), (262, 348880), (280, 326452), (356, 256760), (392, 233180), (445, 205408), (490, 186544), (524, 174440), (560, 163226), (623, 146720), (655, 139552), (712, 128380), (784, 116590), (890, 102704), (917, 99680), (980, 93272), (1048, 87220), (1120, 81613), (1246, 73360), (1310, 69776), (1424, 64190), (1568, 58295), (1780, 51352), (1834, 49840), (1960, 46636), (2096, 43610), (2492, 36680), (2620, 34888), (2848, 32095), (3115, 29344), (3560, 25676), (3668, 24920), (3920, 23318), (4192, 21805), (4361, 20960), (4585, 19936), (4984, 18340), (5240, 17444), (6230, 14672), (6419, 14240), (7120, 12838), (7336, 12460), (7840, 11659), (8722, 10480), (9170, 9968)]