690472380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1381}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 2086797888

約数和(自身を除く): 1396325508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 641, 780, 1282, 1381, 1923, 2564, 2762, 3205, 3846, 4143, 5524, 6410, 6905, 7692, 8286, 8333, 9615, 12820, 13810, 16572, 16666, 17953, 19230, 20715, 24999, 27620, 33332, 35906, 38460, 41430, 41665, 49998, 53859, 71812, 82860, 83330, 89765, 99996, 107718, 124995, 166660, 179530, 215436, 249990, 269295, 359060, 499980, 538590, 885221, 1077180, 1770442, 2655663, 3540884, 4426105, 5311326, 8852210, 10622652, 11507873, 13278315, 17704420, 23015746, 26556630, 34523619, 46031492, 53113260, 57539365, 69047238, 115078730, 138094476, 172618095, 230157460, 345236190, 690472380]

約数ペア:

[(1, 690472380), (2, 345236190), (3, 230157460), (4, 172618095), (5, 138094476), (6, 115078730), (10, 69047238), (12, 57539365), (13, 53113260), (15, 46031492), (20, 34523619), (26, 26556630), (30, 23015746), (39, 17704420), (52, 13278315), (60, 11507873), (65, 10622652), (78, 8852210), (130, 5311326), (156, 4426105), (195, 3540884), (260, 2655663), (390, 1770442), (641, 1077180), (780, 885221), (1282, 538590), (1381, 499980), (1923, 359060), (2564, 269295), (2762, 249990), (3205, 215436), (3846, 179530), (4143, 166660), (5524, 124995), (6410, 107718), (6905, 99996), (7692, 89765), (8286, 83330), (8333, 82860), (9615, 71812), (12820, 53859), (13810, 49998), (16572, 41665), (16666, 41430), (17953, 38460), (19230, 35906), (20715, 33332), (24999, 27620)]