68298160

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 160

約数和(自身を含む): 196416000

約数和(自身を除く): 128117840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 131, 133, 140, 152, 190, 196, 245, 262, 266, 280, 304, 343, 380, 392, 490, 524, 532, 560, 655, 665, 686, 760, 784, 917, 931, 980, 1048, 1064, 1310, 1330, 1372, 1520, 1715, 1834, 1862, 1960, 2096, 2128, 2489, 2620, 2660, 2744, 3430, 3668, 3724, 3920, 4585, 4655, 4978, 5240, 5320, 5488, 6419, 6517, 6860, 7336, 7448, 9170, 9310, 9956, 10480, 10640, 12445, 12838, 13034, 13720, 14672, 14896, 17423, 18340, 18620, 19912, 24890, 25676, 26068, 27440, 32095, 32585, 34846, 36680, 37240, 39824, 44933, 49780, 51352, 52136, 64190, 65170, 69692, 73360, 74480, 87115, 89866, 99560, 102704, 104272, 121961, 128380, 130340, 139384, 174230, 179732, 199120, 224665, 243922, 256760, 260680, 278768, 348460, 359464, 449330, 487844, 513520, 521360, 609805, 696920, 718928, 853727, 898660, 975688, 1219610, 1393840, 1707454, 1797320, 1951376, 2439220, 3414908, 3594640, 4268635, 4878440, 6829816, 8537270, 9756880, 13659632, 17074540, 34149080, 68298160]

約数ペア:

[(1, 68298160), (2, 34149080), (4, 17074540), (5, 13659632), (7, 9756880), (8, 8537270), (10, 6829816), (14, 4878440), (16, 4268635), (19, 3594640), (20, 3414908), (28, 2439220), (35, 1951376), (38, 1797320), (40, 1707454), (49, 1393840), (56, 1219610), (70, 975688), (76, 898660), (80, 853727), (95, 718928), (98, 696920), (112, 609805), (131, 521360), (133, 513520), (140, 487844), (152, 449330), (190, 359464), (196, 348460), (245, 278768), (262, 260680), (266, 256760), (280, 243922), (304, 224665), (343, 199120), (380, 179732), (392, 174230), (490, 139384), (524, 130340), (532, 128380), (560, 121961), (655, 104272), (665, 102704), (686, 99560), (760, 89866), (784, 87115), (917, 74480), (931, 73360), (980, 69692), (1048, 65170), (1064, 64190), (1310, 52136), (1330, 51352), (1372, 49780), (1520, 44933), (1715, 39824), (1834, 37240), (1862, 36680), (1960, 34846), (2096, 32585), (2128, 32095), (2489, 27440), (2620, 26068), (2660, 25676), (2744, 24890), (3430, 19912), (3668, 18620), (3724, 18340), (3920, 17423), (4585, 14896), (4655, 14672), (4978, 13720), (5240, 13034), (5320, 12838), (5488, 12445), (6419, 10640), (6517, 10480), (6860, 9956), (7336, 9310), (7448, 9170)]