78464680

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 160

約数和(自身を含む): 221839200

約数和(自身を除く): 143374520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 49, 56, 70, 76, 86, 95, 98, 133, 140, 152, 172, 190, 196, 215, 245, 266, 280, 301, 343, 344, 380, 392, 430, 490, 532, 602, 665, 686, 760, 817, 860, 931, 980, 1064, 1204, 1330, 1372, 1505, 1634, 1715, 1720, 1862, 1960, 2107, 2401, 2408, 2660, 2744, 3010, 3268, 3430, 3724, 4085, 4214, 4655, 4802, 5320, 5719, 6020, 6517, 6536, 6860, 7448, 8170, 8428, 9310, 9604, 10535, 11438, 12005, 12040, 13034, 13720, 14749, 16340, 16856, 18620, 19208, 21070, 22876, 24010, 26068, 28595, 29498, 32585, 32680, 37240, 40033, 42140, 45619, 45752, 48020, 52136, 57190, 58996, 65170, 73745, 80066, 84280, 91238, 96040, 103243, 114380, 117992, 130340, 147490, 160132, 182476, 200165, 206486, 228095, 228760, 260680, 280231, 294980, 320264, 364952, 400330, 412972, 456190, 516215, 560462, 589960, 800660, 825944, 912380, 1032430, 1120924, 1401155, 1601320, 1824760, 1961617, 2064860, 2241848, 2802310, 3923234, 4129720, 5604620, 7846468, 9808085, 11209240, 15692936, 19616170, 39232340, 78464680]

約数ペア:

[(1, 78464680), (2, 39232340), (4, 19616170), (5, 15692936), (7, 11209240), (8, 9808085), (10, 7846468), (14, 5604620), (19, 4129720), (20, 3923234), (28, 2802310), (35, 2241848), (38, 2064860), (40, 1961617), (43, 1824760), (49, 1601320), (56, 1401155), (70, 1120924), (76, 1032430), (86, 912380), (95, 825944), (98, 800660), (133, 589960), (140, 560462), (152, 516215), (172, 456190), (190, 412972), (196, 400330), (215, 364952), (245, 320264), (266, 294980), (280, 280231), (301, 260680), (343, 228760), (344, 228095), (380, 206486), (392, 200165), (430, 182476), (490, 160132), (532, 147490), (602, 130340), (665, 117992), (686, 114380), (760, 103243), (817, 96040), (860, 91238), (931, 84280), (980, 80066), (1064, 73745), (1204, 65170), (1330, 58996), (1372, 57190), (1505, 52136), (1634, 48020), (1715, 45752), (1720, 45619), (1862, 42140), (1960, 40033), (2107, 37240), (2401, 32680), (2408, 32585), (2660, 29498), (2744, 28595), (3010, 26068), (3268, 24010), (3430, 22876), (3724, 21070), (4085, 19208), (4214, 18620), (4655, 16856), (4802, 16340), (5320, 14749), (5719, 13720), (6020, 13034), (6517, 12040), (6536, 12005), (6860, 11438), (7448, 10535), (8170, 9604), (8428, 9310)]