690902720

素因数分解:

$2^6\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1657}}^1$

素因数の和:2977

約数の個数: 56

約数和(自身を含む): 1647468384

約数和(自身を除く): 956565664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1303, 1657, 2606, 3314, 5212, 6515, 6628, 8285, 10424, 13030, 13256, 16570, 20848, 26060, 26512, 33140, 41696, 52120, 53024, 66280, 83392, 104240, 106048, 132560, 208480, 265120, 416960, 530240, 2159071, 4318142, 8636284, 10795355, 17272568, 21590710, 34545136, 43181420, 69090272, 86362840, 138180544, 172725680, 345451360, 690902720]

約数ペア:

[(1, 690902720), (2, 345451360), (4, 172725680), (5, 138180544), (8, 86362840), (10, 69090272), (16, 43181420), (20, 34545136), (32, 21590710), (40, 17272568), (64, 10795355), (80, 8636284), (160, 4318142), (320, 2159071), (1303, 530240), (1657, 416960), (2606, 265120), (3314, 208480), (5212, 132560), (6515, 106048), (6628, 104240), (8285, 83392), (10424, 66280), (13030, 53024), (13256, 52120), (16570, 41696), (20848, 33140), (26060, 26512)]