1215672820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 2819174400

約数和(自身を除く): 1603501580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 367, 379, 380, 437, 460, 734, 758, 874, 1468, 1516, 1748, 1835, 1895, 2185, 3670, 3790, 4370, 6973, 7201, 7340, 7580, 8441, 8717, 8740, 13946, 14402, 16882, 17434, 27892, 28804, 33764, 34865, 34868, 36005, 42205, 43585, 69730, 72010, 84410, 87170, 139093, 139460, 144020, 160379, 165623, 168820, 174340, 278186, 320758, 331246, 556372, 641516, 662492, 695465, 801895, 828115, 1390930, 1603790, 1656230, 2642767, 2781860, 3199139, 3207580, 3312460, 5285534, 6398278, 10571068, 12796556, 13213835, 15995695, 26427670, 31991390, 52855340, 60783641, 63982780, 121567282, 243134564, 303918205, 607836410, 1215672820]

約数ペア:

[(1, 1215672820), (2, 607836410), (4, 303918205), (5, 243134564), (10, 121567282), (19, 63982780), (20, 60783641), (23, 52855340), (38, 31991390), (46, 26427670), (76, 15995695), (92, 13213835), (95, 12796556), (115, 10571068), (190, 6398278), (230, 5285534), (367, 3312460), (379, 3207580), (380, 3199139), (437, 2781860), (460, 2642767), (734, 1656230), (758, 1603790), (874, 1390930), (1468, 828115), (1516, 801895), (1748, 695465), (1835, 662492), (1895, 641516), (2185, 556372), (3670, 331246), (3790, 320758), (4370, 278186), (6973, 174340), (7201, 168820), (7340, 165623), (7580, 160379), (8441, 144020), (8717, 139460), (8740, 139093), (13946, 87170), (14402, 84410), (16882, 72010), (17434, 69730), (27892, 43585), (28804, 42205), (33764, 36005), (34865, 34868)]